205659810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{253901}}^1$

素因数の和:253920

約数の個数: 40

約数和(自身を含む): 552998556

約数和(自身を除く): 347338746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 253901, 507802, 761703, 1269505, 1523406, 2285109, 2539010, 3808515, 4570218, 6855327, 7617030, 11425545, 13710654, 20565981, 22851090, 34276635, 41131962, 68553270, 102829905, 205659810]

約数ペア:

[(1, 205659810), (2, 102829905), (3, 68553270), (5, 41131962), (6, 34276635), (9, 22851090), (10, 20565981), (15, 13710654), (18, 11425545), (27, 7617030), (30, 6855327), (45, 4570218), (54, 3808515), (81, 2539010), (90, 2285109), (135, 1523406), (162, 1269505), (270, 761703), (405, 507802), (810, 253901)]