826640235

素因数分解:

$3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4157}}^1$

素因数の和:4665

約数の個数: 40

約数和(自身を含む): 1485204336

約数和(自身を除く): 658564101

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 491, 1473, 2455, 4157, 4419, 7365, 12471, 13257, 20785, 22095, 37413, 39771, 62355, 66285, 112239, 187065, 198855, 336717, 561195, 1683585, 2041087, 6123261, 10205435, 18369783, 30616305, 55109349, 91848915, 165328047, 275546745, 826640235]

約数ペア:

[(1, 826640235), (3, 275546745), (5, 165328047), (9, 91848915), (15, 55109349), (27, 30616305), (45, 18369783), (81, 10205435), (135, 6123261), (405, 2041087), (491, 1683585), (1473, 561195), (2455, 336717), (4157, 198855), (4419, 187065), (7365, 112239), (12471, 66285), (13257, 62355), (20785, 39771), (22095, 37413)]