216810945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 452390400

約数和(自身を除く): 235579455

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 43, 45, 51, 65, 85, 117, 129, 135, 153, 169, 195, 215, 221, 255, 351, 387, 459, 507, 559, 585, 645, 663, 731, 765, 845, 1105, 1161, 1521, 1677, 1755, 1935, 1989, 2193, 2197, 2295, 2535, 2795, 2873, 3315, 3655, 4563, 5031, 5805, 5967, 6579, 6591, 7267, 7605, 8385, 8619, 9503, 9945, 10965, 10985, 14365, 15093, 19737, 19773, 21801, 22815, 25155, 25857, 28509, 29835, 32895, 32955, 36335, 37349, 43095, 47515, 59319, 65403, 75465, 77571, 85527, 94471, 98685, 98865, 109005, 112047, 123539, 129285, 142545, 186745, 196209, 256581, 283413, 296595, 327015, 336141, 370617, 387855, 427635, 472355, 560235, 617695, 850239, 981045, 1008423, 1111851, 1282905, 1417065, 1606007, 1680705, 1853085, 2550717, 3335553, 4251195, 4818021, 5042115, 5559255, 8030035, 12753585, 14454063, 16677765, 24090105, 43362189, 72270315, 216810945]

約数ペア:

[(1, 216810945), (3, 72270315), (5, 43362189), (9, 24090105), (13, 16677765), (15, 14454063), (17, 12753585), (27, 8030035), (39, 5559255), (43, 5042115), (45, 4818021), (51, 4251195), (65, 3335553), (85, 2550717), (117, 1853085), (129, 1680705), (135, 1606007), (153, 1417065), (169, 1282905), (195, 1111851), (215, 1008423), (221, 981045), (255, 850239), (351, 617695), (387, 560235), (459, 472355), (507, 427635), (559, 387855), (585, 370617), (645, 336141), (663, 327015), (731, 296595), (765, 283413), (845, 256581), (1105, 196209), (1161, 186745), (1521, 142545), (1677, 129285), (1755, 123539), (1935, 112047), (1989, 109005), (2193, 98865), (2197, 98685), (2295, 94471), (2535, 85527), (2795, 77571), (2873, 75465), (3315, 65403), (3655, 59319), (4563, 47515), (5031, 43095), (5805, 37349), (5967, 36335), (6579, 32955), (6591, 32895), (7267, 29835), (7605, 28509), (8385, 25857), (8619, 25155), (9503, 22815), (9945, 21801), (10965, 19773), (10985, 19737), (14365, 15093)]