28995525

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 29500731

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 431, 575, 585, 897, 975, 1035, 1293, 1495, 1725, 2155, 2691, 2925, 3879, 4485, 5175, 5603, 6465, 7475, 9913, 10775, 13455, 16809, 19395, 22425, 28015, 29739, 32325, 49565, 50427, 67275, 84045, 89217, 96975, 128869, 140075, 148695, 247825, 252135, 386607, 420225, 446085, 644345, 743475, 1159821, 1260675, 1933035, 2230425, 3221725, 5799105, 9665175, 28995525]

約数ペア:

[(1, 28995525), (3, 9665175), (5, 5799105), (9, 3221725), (13, 2230425), (15, 1933035), (23, 1260675), (25, 1159821), (39, 743475), (45, 644345), (65, 446085), (69, 420225), (75, 386607), (115, 252135), (117, 247825), (195, 148695), (207, 140075), (225, 128869), (299, 96975), (325, 89217), (345, 84045), (431, 67275), (575, 50427), (585, 49565), (897, 32325), (975, 29739), (1035, 28015), (1293, 22425), (1495, 19395), (1725, 16809), (2155, 13455), (2691, 10775), (2925, 9913), (3879, 7475), (4485, 6465), (5175, 5603)]