728014725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1601}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 1363519872

約数和(自身を除く): 635505147

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 47, 75, 129, 141, 215, 225, 235, 387, 423, 645, 705, 1075, 1175, 1601, 1935, 2021, 2115, 3225, 3525, 4803, 6063, 8005, 9675, 10105, 10575, 14409, 18189, 24015, 30315, 40025, 50525, 68843, 72045, 75247, 90945, 120075, 151575, 206529, 225741, 344215, 360225, 376235, 454725, 619587, 677223, 1032645, 1128705, 1721075, 1881175, 3097935, 3235621, 3386115, 5163225, 5643525, 9706863, 15489675, 16178105, 16930575, 29120589, 48534315, 80890525, 145602945, 242671575, 728014725]

約数ペア:

[(1, 728014725), (3, 242671575), (5, 145602945), (9, 80890525), (15, 48534315), (25, 29120589), (43, 16930575), (45, 16178105), (47, 15489675), (75, 9706863), (129, 5643525), (141, 5163225), (215, 3386115), (225, 3235621), (235, 3097935), (387, 1881175), (423, 1721075), (645, 1128705), (705, 1032645), (1075, 677223), (1175, 619587), (1601, 454725), (1935, 376235), (2021, 360225), (2115, 344215), (3225, 225741), (3525, 206529), (4803, 151575), (6063, 120075), (8005, 90945), (9675, 75247), (10105, 72045), (10575, 68843), (14409, 50525), (18189, 40025), (24015, 30315)]