249213993

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2273}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 398186496

約数和(自身を除く): 148972503

約数列:

[1, 3, 7, 21, 23, 69, 161, 227, 483, 681, 1589, 2273, 4767, 5221, 6819, 15663, 15911, 36547, 47733, 52279, 109641, 156837, 365953, 515971, 1097859, 1547913, 3611797, 10835391, 11867333, 35601999, 83071331, 249213993]

約数ペア:

[(1, 249213993), (3, 83071331), (7, 35601999), (21, 11867333), (23, 10835391), (69, 3611797), (161, 1547913), (227, 1097859), (483, 515971), (681, 365953), (1589, 156837), (2273, 109641), (4767, 52279), (5221, 47733), (6819, 36547), (15663, 15911)]