131987772

素因数分解:

$2^2\times 3^3\times 7^4\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 120

約数和(自身を含む): 399982800

約数和(自身を除く): 267995028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 509, 588, 686, 756, 882, 1018, 1029, 1323, 1372, 1527, 1764, 2036, 2058, 2401, 2646, 3054, 3087, 3563, 4116, 4581, 4802, 5292, 6108, 6174, 7126, 7203, 9162, 9261, 9604, 10689, 12348, 13743, 14252, 14406, 18324, 18522, 21378, 21609, 24941, 27486, 28812, 32067, 37044, 42756, 43218, 49882, 54972, 64134, 64827, 74823, 86436, 96201, 99764, 128268, 129654, 149646, 174587, 192402, 224469, 259308, 299292, 349174, 384804, 448938, 523761, 673407, 698348, 897876, 1047522, 1222109, 1346814, 1571283, 2095044, 2444218, 2693628, 3142566, 3666327, 4713849, 4888436, 6285132, 7332654, 9427698, 10998981, 14665308, 18855396, 21997962, 32996943, 43995924, 65993886, 131987772]

約数ペア:

[(1, 131987772), (2, 65993886), (3, 43995924), (4, 32996943), (6, 21997962), (7, 18855396), (9, 14665308), (12, 10998981), (14, 9427698), (18, 7332654), (21, 6285132), (27, 4888436), (28, 4713849), (36, 3666327), (42, 3142566), (49, 2693628), (54, 2444218), (63, 2095044), (84, 1571283), (98, 1346814), (108, 1222109), (126, 1047522), (147, 897876), (189, 698348), (196, 673407), (252, 523761), (294, 448938), (343, 384804), (378, 349174), (441, 299292), (509, 259308), (588, 224469), (686, 192402), (756, 174587), (882, 149646), (1018, 129654), (1029, 128268), (1323, 99764), (1372, 96201), (1527, 86436), (1764, 74823), (2036, 64827), (2058, 64134), (2401, 54972), (2646, 49882), (3054, 43218), (3087, 42756), (3563, 37044), (4116, 32067), (4581, 28812), (4802, 27486), (5292, 24941), (6108, 21609), (6174, 21378), (7126, 18522), (7203, 18324), (9162, 14406), (9261, 14252), (9604, 13743), (10689, 12348)]