13051899

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 22923264

約数和(自身を除く): 9871365

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 163, 217, 279, 287, 369, 489, 651, 861, 1141, 1271, 1467, 1953, 2583, 3423, 3813, 5053, 6683, 8897, 10269, 11439, 15159, 20049, 26691, 35371, 45477, 46781, 60147, 80073, 106113, 140343, 207173, 318339, 421029, 621519, 1450211, 1864557, 4350633, 13051899]

約数ペア:

[(1, 13051899), (3, 4350633), (7, 1864557), (9, 1450211), (21, 621519), (31, 421029), (41, 318339), (63, 207173), (93, 140343), (123, 106113), (163, 80073), (217, 60147), (279, 46781), (287, 45477), (369, 35371), (489, 26691), (651, 20049), (861, 15159), (1141, 11439), (1271, 10269), (1467, 8897), (1953, 6683), (2583, 5053), (3423, 3813)]