920813895

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2671}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 1640650752

約数和(自身を除く): 719836857

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 163, 235, 423, 489, 705, 815, 1467, 2115, 2445, 2671, 7335, 7661, 8013, 13355, 22983, 24039, 38305, 40065, 68949, 114915, 120195, 125537, 344745, 376611, 435373, 627685, 1129833, 1306119, 1883055, 2176865, 3918357, 5649165, 6530595, 19591785, 20462531, 61387593, 102312655, 184162779, 306937965, 920813895]

約数ペア:

[(1, 920813895), (3, 306937965), (5, 184162779), (9, 102312655), (15, 61387593), (45, 20462531), (47, 19591785), (141, 6530595), (163, 5649165), (235, 3918357), (423, 2176865), (489, 1883055), (705, 1306119), (815, 1129833), (1467, 627685), (2115, 435373), (2445, 376611), (2671, 344745), (7335, 125537), (7661, 120195), (8013, 114915), (13355, 68949), (22983, 40065), (24039, 38305)]