18048375

素因数分解:

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

素因数の和:345

約数の個数: 48

約数和(自身を含む): 33194304

約数和(自身を除く): 15145929

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 263, 305, 375, 549, 789, 915, 1125, 1315, 1525, 2367, 2745, 3945, 4575, 6575, 7625, 11835, 13725, 16043, 19725, 22875, 32875, 48129, 59175, 68625, 80215, 98625, 144387, 240645, 295875, 401075, 721935, 1203225, 2005375, 3609675, 6016125, 18048375]

約数ペア:

[(1, 18048375), (3, 6016125), (5, 3609675), (9, 2005375), (15, 1203225), (25, 721935), (45, 401075), (61, 295875), (75, 240645), (125, 144387), (183, 98625), (225, 80215), (263, 68625), (305, 59175), (375, 48129), (549, 32875), (789, 22875), (915, 19725), (1125, 16043), (1315, 13725), (1525, 11835), (2367, 7625), (2745, 6575), (3945, 4575)]