15399975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 27319680

約数和(自身を除く): 11919705

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 107, 285, 303, 321, 475, 505, 535, 1425, 1515, 1605, 1919, 2033, 2525, 2675, 5757, 6099, 7575, 8025, 9595, 10165, 10807, 28785, 30495, 32421, 47975, 50825, 54035, 143925, 152475, 162105, 205333, 270175, 615999, 810525, 1026665, 3079995, 5133325, 15399975]

約数ペア:

[(1, 15399975), (3, 5133325), (5, 3079995), (15, 1026665), (19, 810525), (25, 615999), (57, 270175), (75, 205333), (95, 162105), (101, 152475), (107, 143925), (285, 54035), (303, 50825), (321, 47975), (475, 32421), (505, 30495), (535, 28785), (1425, 10807), (1515, 10165), (1605, 9595), (1919, 8025), (2033, 7575), (2525, 6099), (2675, 5757)]