81670875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 159763968

約数和(自身を除く): 78093093

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 125, 143, 165, 195, 275, 325, 375, 429, 715, 825, 975, 1375, 1523, 1625, 2145, 3575, 4125, 4569, 4875, 7615, 10725, 16753, 17875, 19799, 22845, 38075, 50259, 53625, 59397, 83765, 98995, 114225, 190375, 217789, 251295, 296985, 418825, 494975, 571125, 653367, 1088945, 1256475, 1484925, 2094125, 2474875, 3266835, 5444725, 6282375, 7424625, 16334175, 27223625, 81670875]

約数ペア:

[(1, 81670875), (3, 27223625), (5, 16334175), (11, 7424625), (13, 6282375), (15, 5444725), (25, 3266835), (33, 2474875), (39, 2094125), (55, 1484925), (65, 1256475), (75, 1088945), (125, 653367), (143, 571125), (165, 494975), (195, 418825), (275, 296985), (325, 251295), (375, 217789), (429, 190375), (715, 114225), (825, 98995), (975, 83765), (1375, 59397), (1523, 53625), (1625, 50259), (2145, 38075), (3575, 22845), (4125, 19799), (4569, 17875), (4875, 16753), (7615, 10725)]