312207975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 611425152

約数和(自身を除く): 299217177

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 225, 255, 279, 425, 465, 527, 765, 775, 1275, 1395, 1581, 2325, 2633, 2635, 3825, 4743, 6975, 7899, 7905, 13165, 13175, 23697, 23715, 39495, 39525, 44761, 65825, 81623, 118485, 118575, 134283, 197475, 223805, 244869, 402849, 408115, 592425, 671415, 734607, 1119025, 1224345, 1387591, 2014245, 2040575, 3357075, 3673035, 4162773, 6121725, 6937955, 10071225, 12488319, 18365175, 20813865, 34689775, 62441595, 104069325, 312207975]

約数ペア:

[(1, 312207975), (3, 104069325), (5, 62441595), (9, 34689775), (15, 20813865), (17, 18365175), (25, 12488319), (31, 10071225), (45, 6937955), (51, 6121725), (75, 4162773), (85, 3673035), (93, 3357075), (153, 2040575), (155, 2014245), (225, 1387591), (255, 1224345), (279, 1119025), (425, 734607), (465, 671415), (527, 592425), (765, 408115), (775, 402849), (1275, 244869), (1395, 223805), (1581, 197475), (2325, 134283), (2633, 118575), (2635, 118485), (3825, 81623), (4743, 65825), (6975, 44761), (7899, 39525), (7905, 39495), (13165, 23715), (13175, 23697)]