28047285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 55935360

約数和(自身を除く): 27888075

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 269, 315, 331, 807, 993, 1345, 1655, 1883, 2317, 2421, 2979, 4035, 4965, 5649, 6951, 9415, 11585, 12105, 14895, 16947, 20853, 28245, 34755, 84735, 89039, 104265, 267117, 445195, 623273, 801351, 1335585, 1869819, 3116365, 4006755, 5609457, 9349095, 28047285]

約数ペア:

[(1, 28047285), (3, 9349095), (5, 5609457), (7, 4006755), (9, 3116365), (15, 1869819), (21, 1335585), (35, 801351), (45, 623273), (63, 445195), (105, 267117), (269, 104265), (315, 89039), (331, 84735), (807, 34755), (993, 28245), (1345, 20853), (1655, 16947), (1883, 14895), (2317, 12105), (2421, 11585), (2979, 9415), (4035, 6951), (4965, 5649)]