218213433

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:176

約数の個数: 60

約数和(自身を含む): 351825408

約数和(自身を除く): 133611975

約数列:

[1, 3, 9, 27, 31, 43, 47, 81, 93, 129, 141, 279, 387, 423, 837, 1161, 1269, 1333, 1457, 1849, 2021, 2511, 3483, 3807, 3999, 4371, 5547, 6063, 11997, 13113, 16641, 18189, 35991, 39339, 49923, 54567, 57319, 62651, 86903, 107973, 118017, 149769, 163701, 171957, 187953, 260709, 515871, 563859, 782127, 1547613, 1691577, 2346381, 2693993, 4642839, 5074731, 7039143, 8081979, 24245937, 72737811, 218213433]

約数ペア:

[(1, 218213433), (3, 72737811), (9, 24245937), (27, 8081979), (31, 7039143), (43, 5074731), (47, 4642839), (81, 2693993), (93, 2346381), (129, 1691577), (141, 1547613), (279, 782127), (387, 563859), (423, 515871), (837, 260709), (1161, 187953), (1269, 171957), (1333, 163701), (1457, 149769), (1849, 118017), (2021, 107973), (2511, 86903), (3483, 62651), (3807, 57319), (3999, 54567), (4371, 49923), (5547, 39339), (6063, 35991), (11997, 18189), (13113, 16641)]