13210743

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 22880256

約数和(自身を除く): 9669513

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 223, 273, 403, 637, 651, 669, 1209, 1519, 1561, 1911, 2821, 2899, 4557, 4683, 6913, 8463, 8697, 10927, 19747, 20293, 20739, 32781, 48391, 59241, 60879, 89869, 142051, 145173, 269607, 338737, 426153, 629083, 1016211, 1887249, 4403581, 13210743]

約数ペア:

[(1, 13210743), (3, 4403581), (7, 1887249), (13, 1016211), (21, 629083), (31, 426153), (39, 338737), (49, 269607), (91, 145173), (93, 142051), (147, 89869), (217, 60879), (223, 59241), (273, 48391), (403, 32781), (637, 20739), (651, 20293), (669, 19747), (1209, 10927), (1519, 8697), (1561, 8463), (1911, 6913), (2821, 4683), (2899, 4557)]