28956285

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 27497475

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 71, 81, 95, 135, 159, 171, 213, 265, 285, 355, 405, 477, 513, 639, 795, 855, 1007, 1065, 1349, 1431, 1539, 1917, 2385, 2565, 3021, 3195, 3763, 4047, 4293, 5035, 5751, 6745, 7155, 7695, 9063, 9585, 11289, 12141, 15105, 18815, 20235, 21465, 27189, 28755, 33867, 36423, 45315, 56445, 60705, 71497, 81567, 101601, 109269, 135945, 169335, 182115, 214491, 304803, 357485, 407835, 508005, 546345, 643473, 1072455, 1524015, 1930419, 3217365, 5791257, 9652095, 28956285]

約数ペア:

[(1, 28956285), (3, 9652095), (5, 5791257), (9, 3217365), (15, 1930419), (19, 1524015), (27, 1072455), (45, 643473), (53, 546345), (57, 508005), (71, 407835), (81, 357485), (95, 304803), (135, 214491), (159, 182115), (171, 169335), (213, 135945), (265, 109269), (285, 101601), (355, 81567), (405, 71497), (477, 60705), (513, 56445), (639, 45315), (795, 36423), (855, 33867), (1007, 28755), (1065, 27189), (1349, 21465), (1431, 20235), (1539, 18815), (1917, 15105), (2385, 12141), (2565, 11289), (3021, 9585), (3195, 9063), (3763, 7695), (4047, 7155), (4293, 6745), (5035, 5751)]