17909661

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 31997952

約数和(自身を除く): 14088291

約数列:

[1, 3, 7, 11, 21, 31, 33, 41, 61, 77, 93, 123, 183, 217, 231, 287, 341, 427, 451, 651, 671, 861, 1023, 1271, 1281, 1353, 1891, 2013, 2387, 2501, 3157, 3813, 4697, 5673, 7161, 7503, 8897, 9471, 13237, 13981, 14091, 17507, 20801, 26691, 27511, 39711, 41943, 52521, 62403, 77531, 82533, 97867, 145607, 192577, 232593, 293601, 436821, 542717, 577731, 852841, 1628151, 2558523, 5969887, 17909661]

約数ペア:

[(1, 17909661), (3, 5969887), (7, 2558523), (11, 1628151), (21, 852841), (31, 577731), (33, 542717), (41, 436821), (61, 293601), (77, 232593), (93, 192577), (123, 145607), (183, 97867), (217, 82533), (231, 77531), (287, 62403), (341, 52521), (427, 41943), (451, 39711), (651, 27511), (671, 26691), (861, 20801), (1023, 17507), (1271, 14091), (1281, 13981), (1353, 13237), (1891, 9471), (2013, 8897), (2387, 7503), (2501, 7161), (3157, 5673), (3813, 4697)]