3971985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 6877440

約数和(自身を除く): 2905455

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 397, 435, 667, 1191, 1985, 2001, 3335, 5955, 9131, 10005, 11513, 27393, 34539, 45655, 57565, 136965, 172695, 264799, 794397, 1323995, 3971985]

約数ペア:

[(1, 3971985), (3, 1323995), (5, 794397), (15, 264799), (23, 172695), (29, 136965), (69, 57565), (87, 45655), (115, 34539), (145, 27393), (345, 11513), (397, 10005), (435, 9131), (667, 5955), (1191, 3335), (1985, 2001)]