290717505

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55217}}^1$

素因数の和:55247

約数の個数: 40

約数和(自身を含む): 561235752

約数和(自身を除く): 270518247

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 55217, 165651, 276085, 496953, 717821, 828255, 1490859, 2153463, 2484765, 3589105, 4472577, 6460389, 7454295, 10767315, 19381167, 22362885, 32301945, 58143501, 96905835, 290717505]

約数ペア:

[(1, 290717505), (3, 96905835), (5, 58143501), (9, 32301945), (13, 22362885), (15, 19381167), (27, 10767315), (39, 7454295), (45, 6460389), (65, 4472577), (81, 3589105), (117, 2484765), (135, 2153463), (195, 1490859), (351, 828255), (405, 717821), (585, 496953), (1053, 276085), (1755, 165651), (5265, 55217)]