139988919

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 216760320

約数和(自身を除く): 76771401

約数列:

[1, 3, 7, 21, 167, 179, 223, 501, 537, 669, 1169, 1253, 1561, 3507, 3759, 4683, 29893, 37241, 39917, 89679, 111723, 119751, 209251, 260687, 279419, 627753, 782061, 838257, 6666139, 19998417, 46662973, 139988919]

約数ペア:

[(1, 139988919), (3, 46662973), (7, 19998417), (21, 6666139), (167, 838257), (179, 782061), (223, 627753), (501, 279419), (537, 260687), (669, 209251), (1169, 119751), (1253, 111723), (1561, 89679), (3507, 39917), (3759, 37241), (4683, 29893)]