72620631

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{28921}}^1$

素因数の和:28964

約数の個数: 20

約数和(自身を含む): 111985984

約数和(自身を除く): 39365353

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 28921, 86763, 260289, 780867, 896551, 2342601, 2689653, 8068959, 24206877, 72620631]

約数ペア:

[(1, 72620631), (3, 24206877), (9, 8068959), (27, 2689653), (31, 2342601), (81, 896551), (93, 780867), (279, 260289), (837, 86763), (2511, 28921)]