156970989

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1847}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 276756480

約数和(自身を除く): 119785491

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 1847, 4047, 4473, 5541, 9443, 12141, 12929, 16623, 28329, 35093, 38787, 84987, 105279, 116361, 131137, 245651, 315837, 393411, 736953, 917959, 1180233, 2210859, 2491603, 2753877, 7474809, 8261631, 17441221, 22424427, 52323663, 156970989]

約数ペア:

[(1, 156970989), (3, 52323663), (7, 22424427), (9, 17441221), (19, 8261631), (21, 7474809), (57, 2753877), (63, 2491603), (71, 2210859), (133, 1180233), (171, 917959), (213, 736953), (399, 393411), (497, 315837), (639, 245651), (1197, 131137), (1349, 116361), (1491, 105279), (1847, 84987), (4047, 38787), (4473, 35093), (5541, 28329), (9443, 16623), (12141, 12929)]