1212892785

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{230369}}^1$

素因数の和:230399

約数の個数: 40

約数和(自身を含む): 2341480680

約数和(自身を除く): 1128587895

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 230369, 691107, 1151845, 2073321, 2994797, 3455535, 6219963, 8984391, 10366605, 14973985, 18659889, 26953173, 31099815, 44921955, 80859519, 93299445, 134765865, 242578557, 404297595, 1212892785]

約数ペア:

[(1, 1212892785), (3, 404297595), (5, 242578557), (9, 134765865), (13, 93299445), (15, 80859519), (27, 44921955), (39, 31099815), (45, 26953173), (65, 18659889), (81, 14973985), (117, 10366605), (135, 8984391), (195, 6219963), (351, 3455535), (405, 2994797), (585, 2073321), (1053, 1151845), (1755, 691107), (5265, 230369)]