7820865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 15135120

約数和(自身を除く): 7314255

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 461, 585, 1131, 1305, 1383, 1885, 2305, 3393, 4149, 5655, 5993, 6915, 13369, 16965, 17979, 20745, 29965, 40107, 53937, 66845, 89895, 120321, 173797, 200535, 269685, 521391, 601605, 868985, 1564173, 2606955, 7820865]

約数ペア:

[(1, 7820865), (3, 2606955), (5, 1564173), (9, 868985), (13, 601605), (15, 521391), (29, 269685), (39, 200535), (45, 173797), (65, 120321), (87, 89895), (117, 66845), (145, 53937), (195, 40107), (261, 29965), (377, 20745), (435, 17979), (461, 16965), (585, 13369), (1131, 6915), (1305, 5993), (1383, 5655), (1885, 4149), (2305, 3393)]