201881565

素因数分解:

$3^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{991}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 362976768

約数和(自身を除く): 161095203

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 503, 991, 1509, 2515, 2973, 4527, 4955, 7545, 8919, 13581, 14865, 22635, 26757, 40743, 44595, 67905, 80271, 133785, 203715, 401355, 498473, 1495419, 2492365, 4486257, 7477095, 13458771, 22431285, 40376313, 67293855, 201881565]

約数ペア:

[(1, 201881565), (3, 67293855), (5, 40376313), (9, 22431285), (15, 13458771), (27, 7477095), (45, 4486257), (81, 2492365), (135, 1495419), (405, 498473), (503, 401355), (991, 203715), (1509, 133785), (2515, 80271), (2973, 67905), (4527, 44595), (4955, 40743), (7545, 26757), (8919, 22635), (13581, 14865)]