208055253

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 322313472

約数和(自身を除く): 114258219

約数列:

[1, 3, 7, 21, 101, 233, 303, 421, 699, 707, 1263, 1631, 2121, 2947, 4893, 8841, 23533, 42521, 70599, 98093, 127563, 164731, 294279, 297647, 494193, 686651, 892941, 2059953, 9907393, 29722179, 69351751, 208055253]

約数ペア:

[(1, 208055253), (3, 69351751), (7, 29722179), (21, 9907393), (101, 2059953), (233, 892941), (303, 686651), (421, 494193), (699, 297647), (707, 294279), (1263, 164731), (1631, 127563), (2121, 98093), (2947, 70599), (4893, 42521), (8841, 23533)]