28113525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 56600544

約数和(自身を除く): 28487019

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 111, 165, 185, 225, 275, 307, 333, 407, 495, 555, 825, 921, 925, 1221, 1535, 1665, 2035, 2475, 2763, 2775, 3377, 3663, 4605, 6105, 7675, 8325, 10131, 10175, 11359, 13815, 16885, 18315, 23025, 30393, 30525, 34077, 50655, 56795, 69075, 84425, 91575, 102231, 124949, 151965, 170385, 253275, 283975, 374847, 511155, 624745, 759825, 851925, 1124541, 1874235, 2555775, 3123725, 5622705, 9371175, 28113525]

約数ペア:

[(1, 28113525), (3, 9371175), (5, 5622705), (9, 3123725), (11, 2555775), (15, 1874235), (25, 1124541), (33, 851925), (37, 759825), (45, 624745), (55, 511155), (75, 374847), (99, 283975), (111, 253275), (165, 170385), (185, 151965), (225, 124949), (275, 102231), (307, 91575), (333, 84425), (407, 69075), (495, 56795), (555, 50655), (825, 34077), (921, 30525), (925, 30393), (1221, 23025), (1535, 18315), (1665, 16885), (2035, 13815), (2475, 11359), (2763, 10175), (2775, 10131), (3377, 8325), (3663, 7675), (4605, 6105)]