90241875

素因数分解:

$3^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 166184304

約数和(自身を除く): 75942429

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 263, 305, 375, 549, 625, 789, 915, 1125, 1315, 1525, 1875, 2367, 2745, 3945, 4575, 5625, 6575, 7625, 11835, 13725, 16043, 19725, 22875, 32875, 38125, 48129, 59175, 68625, 80215, 98625, 114375, 144387, 164375, 240645, 295875, 343125, 401075, 493125, 721935, 1203225, 1479375, 2005375, 3609675, 6016125, 10026875, 18048375, 30080625, 90241875]

約数ペア:

[(1, 90241875), (3, 30080625), (5, 18048375), (9, 10026875), (15, 6016125), (25, 3609675), (45, 2005375), (61, 1479375), (75, 1203225), (125, 721935), (183, 493125), (225, 401075), (263, 343125), (305, 295875), (375, 240645), (549, 164375), (625, 144387), (789, 114375), (915, 98625), (1125, 80215), (1315, 68625), (1525, 59175), (1875, 48129), (2367, 38125), (2745, 32875), (3945, 22875), (4575, 19725), (5625, 16043), (6575, 13725), (7625, 11835)]