81110358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 205371504

約数和(自身を除く): 124261146

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 173, 183, 346, 366, 427, 519, 549, 854, 1038, 1098, 1211, 1281, 1557, 2422, 2562, 3114, 3633, 3721, 3843, 7266, 7442, 7686, 10553, 10899, 11163, 21106, 21798, 22326, 26047, 31659, 33489, 52094, 63318, 66978, 73871, 78141, 94977, 147742, 156282, 189954, 221613, 234423, 443226, 468846, 643733, 664839, 1287466, 1329678, 1931199, 3862398, 4506131, 5793597, 9012262, 11587194, 13518393, 27036786, 40555179, 81110358]

約数ペア:

[(1, 81110358), (2, 40555179), (3, 27036786), (6, 13518393), (7, 11587194), (9, 9012262), (14, 5793597), (18, 4506131), (21, 3862398), (42, 1931199), (61, 1329678), (63, 1287466), (122, 664839), (126, 643733), (173, 468846), (183, 443226), (346, 234423), (366, 221613), (427, 189954), (519, 156282), (549, 147742), (854, 94977), (1038, 78141), (1098, 73871), (1211, 66978), (1281, 63318), (1557, 52094), (2422, 33489), (2562, 31659), (3114, 26047), (3633, 22326), (3721, 21798), (3843, 21106), (7266, 11163), (7442, 10899), (7686, 10553)]