16898427

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 30750720

約数和(自身を除く): 13852293

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 439, 611, 819, 987, 1317, 1833, 2961, 3073, 3951, 4277, 5499, 5707, 9219, 12831, 17121, 20633, 27657, 38493, 39949, 51363, 61899, 119847, 144431, 185697, 268229, 359541, 433293, 804687, 1299879, 1877603, 2414061, 5632809, 16898427]

約数ペア:

[(1, 16898427), (3, 5632809), (7, 2414061), (9, 1877603), (13, 1299879), (21, 804687), (39, 433293), (47, 359541), (63, 268229), (91, 185697), (117, 144431), (141, 119847), (273, 61899), (329, 51363), (423, 39949), (439, 38493), (611, 27657), (819, 20633), (987, 17121), (1317, 12831), (1833, 9219), (2961, 5707), (3073, 5499), (3951, 4277)]