201988875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2181

約数の個数: 64

約数和(自身を含む): 382786560

約数和(自身を除く): 180797685

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 165, 253, 275, 345, 375, 575, 759, 825, 1265, 1375, 1725, 2129, 2875, 3795, 4125, 6325, 6387, 8625, 10645, 18975, 23419, 31625, 31935, 48967, 53225, 70257, 94875, 117095, 146901, 159675, 244835, 266125, 351285, 538637, 585475, 734505, 798375, 1224175, 1615911, 1756425, 2693185, 2927375, 3672525, 6120875, 8079555, 8782125, 13465925, 18362625, 40397775, 67329625, 201988875]

約数ペア:

[(1, 201988875), (3, 67329625), (5, 40397775), (11, 18362625), (15, 13465925), (23, 8782125), (25, 8079555), (33, 6120875), (55, 3672525), (69, 2927375), (75, 2693185), (115, 1756425), (125, 1615911), (165, 1224175), (253, 798375), (275, 734505), (345, 585475), (375, 538637), (575, 351285), (759, 266125), (825, 244835), (1265, 159675), (1375, 146901), (1725, 117095), (2129, 94875), (2875, 70257), (3795, 53225), (4125, 48967), (6325, 31935), (6387, 31625), (8625, 23419), (10645, 18975)]