820952775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1713

約数の個数: 72

約数和(自身を含む): 1533959856

約数和(自身を除く): 713007081

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 53, 75, 129, 159, 215, 225, 265, 387, 477, 645, 795, 1075, 1325, 1601, 1935, 2279, 2385, 3225, 3975, 4803, 6837, 8005, 9675, 11395, 11925, 14409, 20511, 24015, 34185, 40025, 56975, 68843, 72045, 84853, 102555, 120075, 170925, 206529, 254559, 344215, 360225, 424265, 512775, 619587, 763677, 1032645, 1272795, 1721075, 2121325, 3097935, 3648679, 3818385, 5163225, 6363975, 10946037, 15489675, 18243395, 19091925, 32838111, 54730185, 91216975, 164190555, 273650925, 820952775]

約数ペア:

[(1, 820952775), (3, 273650925), (5, 164190555), (9, 91216975), (15, 54730185), (25, 32838111), (43, 19091925), (45, 18243395), (53, 15489675), (75, 10946037), (129, 6363975), (159, 5163225), (215, 3818385), (225, 3648679), (265, 3097935), (387, 2121325), (477, 1721075), (645, 1272795), (795, 1032645), (1075, 763677), (1325, 619587), (1601, 512775), (1935, 424265), (2279, 360225), (2385, 344215), (3225, 254559), (3975, 206529), (4803, 170925), (6837, 120075), (8005, 102555), (9675, 84853), (11395, 72045), (11925, 68843), (14409, 56975), (20511, 40025), (24015, 34185)]