207777256515

素因数分解:

$3^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{984703}}^1$

素因数の和:985241

約数の個数: 40

約数和(自身を含む): 373175244288

約数和(自身を除く): 165397987773

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 521, 1563, 2605, 4689, 7815, 14067, 23445, 42201, 70335, 211005, 984703, 2954109, 4923515, 8862327, 14770545, 26586981, 44311635, 79760943, 132934905, 398804715, 513030263, 1539090789, 2565151315, 4617272367, 7695453945, 13851817101, 23086361835, 41555451303, 69259085505, 207777256515]

約数ペア:

[(1, 207777256515), (3, 69259085505), (5, 41555451303), (9, 23086361835), (15, 13851817101), (27, 7695453945), (45, 4617272367), (81, 2565151315), (135, 1539090789), (405, 513030263), (521, 398804715), (1563, 132934905), (2605, 79760943), (4689, 44311635), (7815, 26586981), (14067, 14770545), (23445, 8862327), (42201, 4923515), (70335, 2954109), (211005, 984703)]