217087065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19531}}^1$

素因数の和:19574

約数の個数: 48

約数和(自身を含む): 426578880

約数和(自身を除く): 209491815

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 19531, 58593, 97655, 175779, 253903, 292965, 371089, 761709, 878895, 1113267, 1269515, 1855445, 2285127, 3339801, 3808545, 4824157, 5566335, 11425635, 14472471, 16699005, 24120785, 43417413, 72362355, 217087065]

約数ペア:

[(1, 217087065), (3, 72362355), (5, 43417413), (9, 24120785), (13, 16699005), (15, 14472471), (19, 11425635), (39, 5566335), (45, 4824157), (57, 3808545), (65, 3339801), (95, 2285127), (117, 1855445), (171, 1269515), (195, 1113267), (247, 878895), (285, 761709), (585, 371089), (741, 292965), (855, 253903), (1235, 175779), (2223, 97655), (3705, 58593), (11115, 19531)]