15263205

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 25318656

約数和(自身を除く): 10055451

約数列:

[1, 3, 5, 15, 53, 73, 159, 219, 263, 265, 365, 789, 795, 1095, 1315, 3869, 3945, 11607, 13939, 19199, 19345, 41817, 57597, 58035, 69695, 95995, 209085, 287985, 1017547, 3052641, 5087735, 15263205]

約数ペア:

[(1, 15263205), (3, 5087735), (5, 3052641), (15, 1017547), (53, 287985), (73, 209085), (159, 95995), (219, 69695), (263, 58035), (265, 57597), (365, 41817), (789, 19345), (795, 19199), (1095, 13939), (1315, 11607), (3869, 3945)]