71729715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 122743296

約数和(自身を除く): 51013581

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 1545, 1751, 2731, 5253, 8193, 8755, 13655, 26265, 40965, 46427, 139281, 232135, 281293, 696405, 843879, 1406465, 4219395, 4781981, 14345943, 23909905, 71729715]

約数ペア:

[(1, 71729715), (3, 23909905), (5, 14345943), (15, 4781981), (17, 4219395), (51, 1406465), (85, 843879), (103, 696405), (255, 281293), (309, 232135), (515, 139281), (1545, 46427), (1751, 40965), (2731, 26265), (5253, 13655), (8193, 8755)]