399513171

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 569958400

約数和(自身を除く): 170445229

約数列:

[1, 3, 19, 57, 127, 229, 241, 381, 687, 723, 2413, 4351, 4579, 7239, 13053, 13737, 29083, 30607, 55189, 87249, 91821, 165567, 552577, 581533, 1048591, 1657731, 1744599, 3145773, 7009003, 21027009, 133171057, 399513171]

約数ペア:

[(1, 399513171), (3, 133171057), (19, 21027009), (57, 7009003), (127, 3145773), (229, 1744599), (241, 1657731), (381, 1048591), (687, 581533), (723, 552577), (2413, 165567), (4351, 91821), (4579, 87249), (7239, 55189), (13053, 30607), (13737, 29083)]