538605225

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 987037272

約数和(自身を除く): 448432047

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 137, 173, 225, 303, 411, 505, 519, 685, 865, 909, 1233, 1515, 1557, 2055, 2525, 2595, 3425, 4325, 4545, 6165, 7575, 7785, 10275, 12975, 13837, 17473, 22725, 23701, 30825, 38925, 41511, 52419, 69185, 71103, 87365, 118505, 124533, 157257, 207555, 213309, 262095, 345925, 355515, 436825, 592525, 622665, 786285, 1037775, 1066545, 1310475, 1777575, 2393801, 3113325, 3931425, 5332725, 7181403, 11969005, 21544209, 35907015, 59845025, 107721045, 179535075, 538605225]

約数ペア:

[(1, 538605225), (3, 179535075), (5, 107721045), (9, 59845025), (15, 35907015), (25, 21544209), (45, 11969005), (75, 7181403), (101, 5332725), (137, 3931425), (173, 3113325), (225, 2393801), (303, 1777575), (411, 1310475), (505, 1066545), (519, 1037775), (685, 786285), (865, 622665), (909, 592525), (1233, 436825), (1515, 355515), (1557, 345925), (2055, 262095), (2525, 213309), (2595, 207555), (3425, 157257), (4325, 124533), (4545, 118505), (6165, 87365), (7575, 71103), (7785, 69185), (10275, 52419), (12975, 41511), (13837, 38925), (17473, 30825), (22725, 23701)]