221897535

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 382427136

約数和(自身を除く): 160529601

約数列:

[1, 3, 5, 15, 31, 41, 93, 103, 113, 123, 155, 205, 309, 339, 465, 515, 565, 615, 1271, 1545, 1695, 3193, 3503, 3813, 4223, 4633, 6355, 9579, 10509, 11639, 12669, 13899, 15965, 17515, 19065, 21115, 23165, 34917, 47895, 52545, 58195, 63345, 69495, 130913, 143623, 174585, 360809, 392739, 430869, 477199, 654565, 718115, 1082427, 1431597, 1804045, 1963695, 2154345, 2385995, 5412135, 7157985, 14793169, 44379507, 73965845, 221897535]

約数ペア:

[(1, 221897535), (3, 73965845), (5, 44379507), (15, 14793169), (31, 7157985), (41, 5412135), (93, 2385995), (103, 2154345), (113, 1963695), (123, 1804045), (155, 1431597), (205, 1082427), (309, 718115), (339, 654565), (465, 477199), (515, 430869), (565, 392739), (615, 360809), (1271, 174585), (1545, 143623), (1695, 130913), (3193, 69495), (3503, 63345), (3813, 58195), (4223, 52545), (4633, 47895), (6355, 34917), (9579, 23165), (10509, 21115), (11639, 19065), (12669, 17515), (13899, 15965)]