81564435

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31799}}^1$

素因数の和:31832

約数の個数: 32

約数和(自身を含む): 152640000

約数和(自身を除く): 71075565

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 31799, 95397, 158995, 286191, 476985, 604181, 858573, 1430955, 1812543, 3020905, 4292865, 5437629, 9062715, 16312887, 27188145, 81564435]

約数ペア:

[(1, 81564435), (3, 27188145), (5, 16312887), (9, 9062715), (15, 5437629), (19, 4292865), (27, 3020905), (45, 1812543), (57, 1430955), (95, 858573), (135, 604181), (171, 476985), (285, 286191), (513, 158995), (855, 95397), (2565, 31799)]