38389785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 75240000

約数和(自身を除く): 36850215

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2749, 2793, 4655, 8247, 13745, 13965, 19243, 41235, 52231, 57729, 96215, 134701, 156693, 261155, 288645, 365617, 404103, 673505, 783465, 1096851, 1828085, 2020515, 2559319, 5484255, 7677957, 12796595, 38389785]

約数ペア:

[(1, 38389785), (3, 12796595), (5, 7677957), (7, 5484255), (15, 2559319), (19, 2020515), (21, 1828085), (35, 1096851), (49, 783465), (57, 673505), (95, 404103), (105, 365617), (133, 288645), (147, 261155), (245, 156693), (285, 134701), (399, 96215), (665, 57729), (735, 52231), (931, 41235), (1995, 19243), (2749, 13965), (2793, 13745), (4655, 8247)]