51314193

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 90055680

約数和(自身を除く): 38741487

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 163, 171, 263, 399, 489, 789, 1141, 1197, 1467, 1841, 2367, 3097, 3423, 4997, 5523, 9291, 10269, 14991, 16569, 21679, 27873, 34979, 42869, 44973, 65037, 104937, 128607, 195111, 300083, 314811, 385821, 814511, 900249, 2443533, 2700747, 5701577, 7330599, 17104731, 51314193]

約数ペア:

[(1, 51314193), (3, 17104731), (7, 7330599), (9, 5701577), (19, 2700747), (21, 2443533), (57, 900249), (63, 814511), (133, 385821), (163, 314811), (171, 300083), (263, 195111), (399, 128607), (489, 104937), (789, 65037), (1141, 44973), (1197, 42869), (1467, 34979), (1841, 27873), (2367, 21679), (3097, 16569), (3423, 14991), (4997, 10269), (5523, 9291)]