4020285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 6893568

約数和(自身を除く): 2873283

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 271, 345, 645, 813, 989, 1355, 2967, 4065, 4945, 6233, 11653, 14835, 18699, 31165, 34959, 58265, 93495, 174795, 268019, 804057, 1340095, 4020285]

約数ペア:

[(1, 4020285), (3, 1340095), (5, 804057), (15, 268019), (23, 174795), (43, 93495), (69, 58265), (115, 34959), (129, 31165), (215, 18699), (271, 14835), (345, 11653), (645, 6233), (813, 4945), (989, 4065), (1355, 2967)]