201935643

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 346816512

約数和(自身を除く): 144880869

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 107, 217, 223, 273, 321, 403, 651, 669, 749, 1209, 1391, 1561, 2247, 2821, 2899, 3317, 4173, 4683, 6913, 8463, 8697, 9737, 9951, 20293, 20739, 23219, 23861, 29211, 43121, 48391, 60879, 69657, 71583, 89869, 129363, 145173, 167027, 269607, 301847, 310193, 501081, 629083, 739691, 905541, 930579, 1887249, 2171351, 2219073, 5177837, 6514053, 9615983, 15533511, 28847949, 67311881, 201935643]

約数ペア:

[(1, 201935643), (3, 67311881), (7, 28847949), (13, 15533511), (21, 9615983), (31, 6514053), (39, 5177837), (91, 2219073), (93, 2171351), (107, 1887249), (217, 930579), (223, 905541), (273, 739691), (321, 629083), (403, 501081), (651, 310193), (669, 301847), (749, 269607), (1209, 167027), (1391, 145173), (1561, 129363), (2247, 89869), (2821, 71583), (2899, 69657), (3317, 60879), (4173, 48391), (4683, 43121), (6913, 29211), (8463, 23861), (8697, 23219), (9737, 20739), (9951, 20293)]