31093713

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 57615360

約数和(自身を除く): 26521647

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 61, 63, 81, 87, 93, 183, 189, 203, 217, 261, 279, 427, 549, 567, 609, 651, 783, 837, 899, 1281, 1647, 1769, 1827, 1891, 1953, 2349, 2511, 2697, 3843, 4941, 5307, 5481, 5673, 5859, 6293, 8091, 11529, 12383, 13237, 15921, 16443, 17019, 17577, 18879, 24273, 34587, 37149, 39711, 47763, 51057, 54839, 56637, 72819, 111447, 119133, 143289, 153171, 164517, 169911, 334341, 357399, 383873, 493551, 509733, 1003023, 1072197, 1151619, 1480653, 3454857, 4441959, 10364571, 31093713]

約数ペア:

[(1, 31093713), (3, 10364571), (7, 4441959), (9, 3454857), (21, 1480653), (27, 1151619), (29, 1072197), (31, 1003023), (61, 509733), (63, 493551), (81, 383873), (87, 357399), (93, 334341), (183, 169911), (189, 164517), (203, 153171), (217, 143289), (261, 119133), (279, 111447), (427, 72819), (549, 56637), (567, 54839), (609, 51057), (651, 47763), (783, 39711), (837, 37149), (899, 34587), (1281, 24273), (1647, 18879), (1769, 17577), (1827, 17019), (1891, 16443), (1953, 15921), (2349, 13237), (2511, 12383), (2697, 11529), (3843, 8091), (4941, 6293), (5307, 5859), (5481, 5673)]