221330265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 404974080

約数和(自身を除く): 183643815

約数列:

[1, 3, 5, 13, 15, 23, 39, 61, 65, 69, 115, 183, 195, 299, 305, 345, 793, 809, 897, 915, 1403, 1495, 2379, 2427, 3965, 4045, 4209, 4485, 7015, 10517, 11895, 12135, 18239, 18607, 21045, 31551, 49349, 52585, 54717, 55821, 91195, 93035, 148047, 157755, 241891, 246745, 273585, 279105, 641537, 725673, 740235, 1135027, 1209455, 1924611, 3207685, 3405081, 3628365, 5675135, 9623055, 14755351, 17025405, 44266053, 73776755, 221330265]

約数ペア:

[(1, 221330265), (3, 73776755), (5, 44266053), (13, 17025405), (15, 14755351), (23, 9623055), (39, 5675135), (61, 3628365), (65, 3405081), (69, 3207685), (115, 1924611), (183, 1209455), (195, 1135027), (299, 740235), (305, 725673), (345, 641537), (793, 279105), (809, 273585), (897, 246745), (915, 241891), (1403, 157755), (1495, 148047), (2379, 93035), (2427, 91195), (3965, 55821), (4045, 54717), (4209, 52585), (4485, 49349), (7015, 31551), (10517, 21045), (11895, 18607), (12135, 18239)]