290431305

素因数分解:

$3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5419}}^1$

素因数の和:5830

約数の個数: 32

約数和(自身を含む): 517718400

約数和(自身を除く): 227287095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 397, 1191, 1985, 3573, 5419, 5955, 10719, 16257, 17865, 27095, 48771, 53595, 81285, 146313, 243855, 731565, 2151343, 6454029, 10756715, 19362087, 32270145, 58086261, 96810435, 290431305]

約数ペア:

[(1, 290431305), (3, 96810435), (5, 58086261), (9, 32270145), (15, 19362087), (27, 10756715), (45, 6454029), (135, 2151343), (397, 731565), (1191, 243855), (1985, 146313), (3573, 81285), (5419, 53595), (5955, 48771), (10719, 27095), (16257, 17865)]