2988495

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 5505984

約数和(自身を除く): 2517489

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 157, 235, 405, 423, 471, 705, 785, 1269, 1413, 2115, 2355, 3807, 4239, 6345, 7065, 7379, 12717, 19035, 21195, 22137, 36895, 63585, 66411, 110685, 199233, 332055, 597699, 996165, 2988495]

約数ペア:

[(1, 2988495), (3, 996165), (5, 597699), (9, 332055), (15, 199233), (27, 110685), (45, 66411), (47, 63585), (81, 36895), (135, 22137), (141, 21195), (157, 19035), (235, 12717), (405, 7379), (423, 7065), (471, 6345), (705, 4239), (785, 3807), (1269, 2355), (1413, 2115)]