129476721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 193415040

約数和(自身を除く): 63938319

約数列:

[1, 3, 11, 33, 53, 159, 181, 409, 543, 583, 1227, 1749, 1991, 4499, 5973, 9593, 13497, 21677, 28779, 65031, 74029, 105523, 222087, 238447, 316569, 715341, 814319, 2442957, 3923537, 11770611, 43158907, 129476721]

約数ペア:

[(1, 129476721), (3, 43158907), (11, 11770611), (33, 3923537), (53, 2442957), (159, 814319), (181, 715341), (409, 316569), (543, 238447), (583, 222087), (1227, 105523), (1749, 74029), (1991, 65031), (4499, 28779), (5973, 21677), (9593, 13497)]