15697220721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{272507}}^1$

素因数の和:272741

約数の個数: 32

約数和(自身を含む): 25881719808

約数和(自身を除く): 10184499087

約数列:

[1, 3, 7, 13, 21, 39, 91, 211, 273, 633, 1477, 2743, 4431, 8229, 19201, 57603, 272507, 817521, 1907549, 3542591, 5722647, 10627773, 24798137, 57498977, 74394411, 172496931, 402492839, 747486701, 1207478517, 2242460103, 5232406907, 15697220721]

約数ペア:

[(1, 15697220721), (3, 5232406907), (7, 2242460103), (13, 1207478517), (21, 747486701), (39, 402492839), (91, 172496931), (211, 74394411), (273, 57498977), (633, 24798137), (1477, 10627773), (2743, 5722647), (4431, 3542591), (8229, 1907549), (19201, 817521), (57603, 272507)]