201815625

素因数分解:

$3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 389975040

約数和(自身を除く): 188159415

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 103, 125, 165, 209, 275, 285, 309, 375, 475, 515, 625, 627, 825, 1045, 1133, 1375, 1425, 1545, 1875, 1957, 2375, 2575, 3125, 3135, 3399, 4125, 5225, 5665, 5871, 6875, 7125, 7725, 9375, 9785, 11875, 12875, 15675, 16995, 20625, 21527, 26125, 28325, 29355, 34375, 35625, 38625, 48925, 59375, 64375, 64581, 78375, 84975, 103125, 107635, 130625, 141625, 146775, 178125, 193125, 244625, 321875, 322905, 391875, 424875, 538175, 653125, 708125, 733875, 965625, 1223125, 1614525, 1959375, 2124375, 2690875, 3540625, 3669375, 6115625, 8072625, 10621875, 13454375, 18346875, 40363125, 67271875, 201815625]

約数ペア:

[(1, 201815625), (3, 67271875), (5, 40363125), (11, 18346875), (15, 13454375), (19, 10621875), (25, 8072625), (33, 6115625), (55, 3669375), (57, 3540625), (75, 2690875), (95, 2124375), (103, 1959375), (125, 1614525), (165, 1223125), (209, 965625), (275, 733875), (285, 708125), (309, 653125), (375, 538175), (475, 424875), (515, 391875), (625, 322905), (627, 321875), (825, 244625), (1045, 193125), (1133, 178125), (1375, 146775), (1425, 141625), (1545, 130625), (1875, 107635), (1957, 103125), (2375, 84975), (2575, 78375), (3125, 64581), (3135, 64375), (3399, 59375), (4125, 48925), (5225, 38625), (5665, 35625), (5871, 34375), (6875, 29355), (7125, 28325), (7725, 26125), (9375, 21527), (9785, 20625), (11875, 16995), (12875, 15675)]