217991142

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{212467}}^1$

素因数の和:212497

約数の個数: 32

約数和(自身を含む): 509923200

約数和(自身を除く): 291932058

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 212467, 424934, 637401, 1274802, 1912203, 3824406, 4036873, 5736609, 8073746, 11473218, 12110619, 24221238, 36331857, 72663714, 108995571, 217991142]

約数ペア:

[(1, 217991142), (2, 108995571), (3, 72663714), (6, 36331857), (9, 24221238), (18, 12110619), (19, 11473218), (27, 8073746), (38, 5736609), (54, 4036873), (57, 3824406), (114, 1912203), (171, 1274802), (342, 637401), (513, 424934), (1026, 212467)]