248836749

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 424271520

約数和(自身を除く): 175434771

約数列:

[1, 3, 7, 19, 21, 41, 49, 53, 57, 123, 133, 147, 159, 287, 371, 399, 779, 861, 931, 1007, 1113, 1681, 2009, 2173, 2337, 2597, 2793, 3021, 5043, 5453, 6027, 6519, 7049, 7791, 11767, 15211, 16359, 21147, 31939, 35301, 38171, 41287, 45633, 49343, 82369, 89093, 95817, 106477, 114513, 123861, 148029, 223573, 247107, 267279, 289009, 319431, 623651, 670719, 867027, 1565011, 1692767, 1870953, 2023063, 4365557, 4695033, 5078301, 6069189, 11849369, 13096671, 35548107, 82945583, 248836749]

約数ペア:

[(1, 248836749), (3, 82945583), (7, 35548107), (19, 13096671), (21, 11849369), (41, 6069189), (49, 5078301), (53, 4695033), (57, 4365557), (123, 2023063), (133, 1870953), (147, 1692767), (159, 1565011), (287, 867027), (371, 670719), (399, 623651), (779, 319431), (861, 289009), (931, 267279), (1007, 247107), (1113, 223573), (1681, 148029), (2009, 123861), (2173, 114513), (2337, 106477), (2597, 95817), (2793, 89093), (3021, 82369), (5043, 49343), (5453, 45633), (6027, 41287), (6519, 38171), (7049, 35301), (7791, 31939), (11767, 21147), (15211, 16359)]