27212913

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 21708687

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 223, 273, 447, 669, 819, 1043, 1341, 1561, 1937, 2007, 2899, 3129, 4683, 5811, 8697, 9387, 13559, 14049, 17433, 20293, 26091, 33227, 40677, 60879, 99681, 122031, 182637, 232589, 299043, 431951, 697767, 1295853, 2093301, 3023657, 3887559, 9070971, 27212913]

約数ペア:

[(1, 27212913), (3, 9070971), (7, 3887559), (9, 3023657), (13, 2093301), (21, 1295853), (39, 697767), (63, 431951), (91, 299043), (117, 232589), (149, 182637), (223, 122031), (273, 99681), (447, 60879), (669, 40677), (819, 33227), (1043, 26091), (1341, 20293), (1561, 17433), (1937, 14049), (2007, 13559), (2899, 9387), (3129, 8697), (4683, 5811)]