30970815

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 51010560

約数和(自身を除く): 20039745

約数列:

[1, 3, 5, 15, 53, 159, 163, 239, 265, 489, 717, 795, 815, 1195, 2445, 3585, 8639, 12667, 25917, 38001, 38957, 43195, 63335, 116871, 129585, 190005, 194785, 584355, 2064721, 6194163, 10323605, 30970815]

約数ペア:

[(1, 30970815), (3, 10323605), (5, 6194163), (15, 2064721), (53, 584355), (159, 194785), (163, 190005), (239, 129585), (265, 116871), (489, 63335), (717, 43195), (795, 38957), (815, 38001), (1195, 25917), (2445, 12667), (3585, 8639)]