2100290715

素因数分解:

$3^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5233}}^1$

素因数の和:6241

約数の個数: 40

約数和(自身を含む): 3769484928

約数和(自身を除く): 1669194213

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 991, 2973, 4955, 5233, 8919, 14865, 15699, 26165, 26757, 44595, 47097, 78495, 80271, 133785, 141291, 235485, 401355, 423873, 706455, 2119365, 5185903, 15557709, 25929515, 46673127, 77788545, 140019381, 233365635, 420058143, 700096905, 2100290715]

約数ペア:

[(1, 2100290715), (3, 700096905), (5, 420058143), (9, 233365635), (15, 140019381), (27, 77788545), (45, 46673127), (81, 25929515), (135, 15557709), (405, 5185903), (991, 2119365), (2973, 706455), (4955, 423873), (5233, 401355), (8919, 235485), (14865, 141291), (15699, 133785), (26165, 80271), (26757, 78495), (44595, 47097)]