397120875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1205

約数の個数: 64

約数和(自身を含む): 706987008

約数和(自身を除く): 309866133

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 115, 123, 125, 205, 345, 375, 575, 615, 943, 1025, 1123, 1725, 2829, 2875, 3075, 3369, 4715, 5125, 5615, 8625, 14145, 15375, 16845, 23575, 25829, 28075, 46043, 70725, 77487, 84225, 117875, 129145, 138129, 140375, 230215, 353625, 387435, 421125, 645725, 690645, 1058989, 1151075, 1937175, 3176967, 3228625, 3453225, 5294945, 5755375, 9685875, 15884835, 17266125, 26474725, 79424175, 132373625, 397120875]

約数ペア:

[(1, 397120875), (3, 132373625), (5, 79424175), (15, 26474725), (23, 17266125), (25, 15884835), (41, 9685875), (69, 5755375), (75, 5294945), (115, 3453225), (123, 3228625), (125, 3176967), (205, 1937175), (345, 1151075), (375, 1058989), (575, 690645), (615, 645725), (943, 421125), (1025, 387435), (1123, 353625), (1725, 230215), (2829, 140375), (2875, 138129), (3075, 129145), (3369, 117875), (4715, 84225), (5125, 77487), (5615, 70725), (8625, 46043), (14145, 28075), (15375, 25829), (16845, 23575)]