7788973725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{156641}}^1$

素因数の和:156687

約数の個数: 72

約数和(自身を含む): 15907934952

約数和(自身を除く): 8118961227

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1989, 2925, 3315, 3825, 5525, 9945, 16575, 49725, 156641, 469923, 783205, 1409769, 2036333, 2349615, 2662897, 3916025, 6108999, 7048845, 7988691, 10181665, 11748075, 13314485, 18326997, 23966073, 30544995, 34617661, 35244225, 39943455, 50908325, 66572425, 91634985, 103852983, 119830365, 152724975, 173088305, 199717275, 311558949, 458174925, 519264915, 599151825, 865441525, 1557794745, 2596324575, 7788973725]

約数ペア:

[(1, 7788973725), (3, 2596324575), (5, 1557794745), (9, 865441525), (13, 599151825), (15, 519264915), (17, 458174925), (25, 311558949), (39, 199717275), (45, 173088305), (51, 152724975), (65, 119830365), (75, 103852983), (85, 91634985), (117, 66572425), (153, 50908325), (195, 39943455), (221, 35244225), (225, 34617661), (255, 30544995), (325, 23966073), (425, 18326997), (585, 13314485), (663, 11748075), (765, 10181665), (975, 7988691), (1105, 7048845), (1275, 6108999), (1989, 3916025), (2925, 2662897), (3315, 2349615), (3825, 2036333), (5525, 1409769), (9945, 783205), (16575, 469923), (49725, 156641)]