390902715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40031}}^1$

素因数の和:40080

約数の個数: 48

約数和(自身を含む): 799358976

約数和(自身を除く): 408456261

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 40031, 120093, 200155, 280217, 360279, 600465, 840651, 1240961, 1401085, 1801395, 2521953, 3722883, 4203255, 6204805, 8686727, 11168649, 12609765, 18614415, 26060181, 43433635, 55843245, 78180543, 130300905, 390902715]

約数ペア:

[(1, 390902715), (3, 130300905), (5, 78180543), (7, 55843245), (9, 43433635), (15, 26060181), (21, 18614415), (31, 12609765), (35, 11168649), (45, 8686727), (63, 6204805), (93, 4203255), (105, 3722883), (155, 2521953), (217, 1801395), (279, 1401085), (315, 1240961), (465, 840651), (651, 600465), (1085, 360279), (1395, 280217), (1953, 200155), (3255, 120093), (9765, 40031)]