17866251

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 60

約数和(自身を含む): 30979872

約数和(自身を除く): 13113621

約数列:

[1, 3, 9, 13, 19, 27, 39, 47, 57, 81, 117, 141, 171, 247, 351, 361, 423, 513, 611, 741, 893, 1053, 1083, 1269, 1539, 1833, 2223, 2679, 3249, 3807, 4693, 5499, 6669, 8037, 9747, 11609, 14079, 16497, 16967, 20007, 24111, 29241, 34827, 42237, 49491, 50901, 72333, 104481, 126711, 152703, 220571, 313443, 380133, 458109, 661713, 940329, 1374327, 1985139, 5955417, 17866251]

約数ペア:

[(1, 17866251), (3, 5955417), (9, 1985139), (13, 1374327), (19, 940329), (27, 661713), (39, 458109), (47, 380133), (57, 313443), (81, 220571), (117, 152703), (141, 126711), (171, 104481), (247, 72333), (351, 50901), (361, 49491), (423, 42237), (513, 34827), (611, 29241), (741, 24111), (893, 20007), (1053, 16967), (1083, 16497), (1269, 14079), (1539, 11609), (1833, 9747), (2223, 8037), (2679, 6669), (3249, 5499), (3807, 4693)]