31291029

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 60635520

約数和(自身を除く): 29344491

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 81, 87, 99, 173, 189, 203, 231, 261, 297, 319, 519, 567, 609, 693, 783, 891, 957, 1211, 1557, 1827, 1903, 2079, 2233, 2349, 2871, 3633, 4671, 5017, 5481, 5709, 6237, 6699, 8613, 10899, 13321, 14013, 15051, 16443, 17127, 20097, 25839, 32697, 35119, 39963, 45153, 51381, 55187, 60291, 98091, 105357, 119889, 135459, 154143, 165561, 180873, 316071, 359667, 386309, 406377, 496683, 948213, 1079001, 1158927, 1490049, 2844639, 3476781, 4470147, 10430343, 31291029]

約数ペア:

[(1, 31291029), (3, 10430343), (7, 4470147), (9, 3476781), (11, 2844639), (21, 1490049), (27, 1158927), (29, 1079001), (33, 948213), (63, 496683), (77, 406377), (81, 386309), (87, 359667), (99, 316071), (173, 180873), (189, 165561), (203, 154143), (231, 135459), (261, 119889), (297, 105357), (319, 98091), (519, 60291), (567, 55187), (609, 51381), (693, 45153), (783, 39963), (891, 35119), (957, 32697), (1211, 25839), (1557, 20097), (1827, 17127), (1903, 16443), (2079, 15051), (2233, 14013), (2349, 13321), (2871, 10899), (3633, 8613), (4671, 6699), (5017, 6237), (5481, 5709)]