25267725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 52770432

約数和(自身を除く): 27502707

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 263, 305, 315, 427, 525, 549, 789, 915, 1281, 1315, 1525, 1575, 1841, 2135, 2367, 2745, 3843, 3945, 4575, 5523, 6405, 6575, 9205, 10675, 11835, 13725, 16043, 16569, 19215, 19725, 27615, 32025, 46025, 48129, 59175, 80215, 82845, 96075, 112301, 138075, 144387, 240645, 336903, 401075, 414225, 561505, 721935, 1010709, 1203225, 1684515, 2807525, 3609675, 5053545, 8422575, 25267725]

約数ペア:

[(1, 25267725), (3, 8422575), (5, 5053545), (7, 3609675), (9, 2807525), (15, 1684515), (21, 1203225), (25, 1010709), (35, 721935), (45, 561505), (61, 414225), (63, 401075), (75, 336903), (105, 240645), (175, 144387), (183, 138075), (225, 112301), (263, 96075), (305, 82845), (315, 80215), (427, 59175), (525, 48129), (549, 46025), (789, 32025), (915, 27615), (1281, 19725), (1315, 19215), (1525, 16569), (1575, 16043), (1841, 13725), (2135, 11835), (2367, 10675), (2745, 9205), (3843, 6575), (3945, 6405), (4575, 5523)]