207907641

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 325940160

約数和(自身を除く): 118032519

約数列:

[1, 3, 9, 27, 29, 81, 87, 163, 181, 243, 261, 489, 543, 783, 1467, 1629, 2349, 4401, 4727, 4887, 5249, 7047, 13203, 14181, 14661, 15747, 29503, 39609, 42543, 43983, 47241, 88509, 127629, 141723, 265527, 382887, 425169, 796581, 855587, 1148661, 1275507, 2389743, 2566761, 7169229, 7700283, 23100849, 69302547, 207907641]

約数ペア:

[(1, 207907641), (3, 69302547), (9, 23100849), (27, 7700283), (29, 7169229), (81, 2566761), (87, 2389743), (163, 1275507), (181, 1148661), (243, 855587), (261, 796581), (489, 425169), (543, 382887), (783, 265527), (1467, 141723), (1629, 127629), (2349, 88509), (4401, 47241), (4727, 43983), (4887, 42543), (5249, 39609), (7047, 29503), (13203, 15747), (14181, 14661)]