9807885

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 17914776

約数和(自身を除く): 8106891

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 397, 405, 549, 915, 1191, 1647, 1985, 2745, 3573, 4941, 5955, 8235, 10719, 17865, 24217, 24705, 32157, 53595, 72651, 121085, 160785, 217953, 363255, 653859, 1089765, 1961577, 3269295, 9807885]

約数ペア:

[(1, 9807885), (3, 3269295), (5, 1961577), (9, 1089765), (15, 653859), (27, 363255), (45, 217953), (61, 160785), (81, 121085), (135, 72651), (183, 53595), (305, 32157), (397, 24705), (405, 24217), (549, 17865), (915, 10719), (1191, 8235), (1647, 5955), (1985, 4941), (2745, 3573)]