2018221875

素因数分解:

$3^2\times 5^5\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 3697450848

約数和(自身を除く): 1679228973

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 125, 219, 225, 365, 375, 625, 657, 983, 1095, 1125, 1825, 1875, 2949, 3125, 3285, 4915, 5475, 5625, 8847, 9125, 9375, 14745, 16425, 24575, 27375, 28125, 44235, 45625, 71759, 73725, 82125, 122875, 136875, 215277, 221175, 228125, 358795, 368625, 410625, 614375, 645831, 684375, 1076385, 1105875, 1793975, 1843125, 2053125, 3071875, 3229155, 5381925, 5529375, 8969875, 9215625, 16145775, 26909625, 27646875, 44849375, 80728875, 134548125, 224246875, 403644375, 672740625, 2018221875]

約数ペア:

[(1, 2018221875), (3, 672740625), (5, 403644375), (9, 224246875), (15, 134548125), (25, 80728875), (45, 44849375), (73, 27646875), (75, 26909625), (125, 16145775), (219, 9215625), (225, 8969875), (365, 5529375), (375, 5381925), (625, 3229155), (657, 3071875), (983, 2053125), (1095, 1843125), (1125, 1793975), (1825, 1105875), (1875, 1076385), (2949, 684375), (3125, 645831), (3285, 614375), (4915, 410625), (5475, 368625), (5625, 358795), (8847, 228125), (9125, 221175), (9375, 215277), (14745, 136875), (16425, 122875), (24575, 82125), (27375, 73725), (28125, 71759), (44235, 45625)]