388263915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221233}}^1$

素因数の和:221260

約数の個数: 32

約数和(自身を含む): 743346240

約数和(自身を除く): 355082325

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 221233, 663699, 1106165, 1991097, 2876029, 3318495, 5973291, 8628087, 9955485, 14380145, 25884261, 29866455, 43140435, 77652783, 129421305, 388263915]

約数ペア:

[(1, 388263915), (3, 129421305), (5, 77652783), (9, 43140435), (13, 29866455), (15, 25884261), (27, 14380145), (39, 9955485), (45, 8628087), (65, 5973291), (117, 3318495), (135, 2876029), (195, 1991097), (351, 1106165), (585, 663699), (1755, 221233)]