138348315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{62743}}^1$

素因数の和:62768

約数の個数: 36

約数和(自身を含む): 278959824

約数和(自身を除く): 140611509

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 62743, 188229, 313715, 439201, 564687, 941145, 1317603, 2196005, 2823435, 3074407, 3952809, 6588015, 9223221, 15372035, 19764045, 27669663, 46116105, 138348315]

約数ペア:

[(1, 138348315), (3, 46116105), (5, 27669663), (7, 19764045), (9, 15372035), (15, 9223221), (21, 6588015), (35, 3952809), (45, 3074407), (49, 2823435), (63, 2196005), (105, 1317603), (147, 941145), (245, 564687), (315, 439201), (441, 313715), (735, 188229), (2205, 62743)]