388516149

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9473}}^1$

素因数の和:9527

約数の個数: 48

約数和(自身を含む): 691223040

約数和(自身を除く): 302706891

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1953, 4557, 5859, 9473, 13671, 28419, 41013, 66311, 85257, 198933, 255771, 293663, 464177, 596799, 880989, 1392531, 1790397, 2055641, 2642967, 4177593, 6166923, 7928901, 12532779, 14389487, 18500769, 43168461, 55502307, 129505383, 388516149]

約数ペア:

[(1, 388516149), (3, 129505383), (7, 55502307), (9, 43168461), (21, 18500769), (27, 14389487), (31, 12532779), (49, 7928901), (63, 6166923), (93, 4177593), (147, 2642967), (189, 2055641), (217, 1790397), (279, 1392531), (441, 880989), (651, 596799), (837, 464177), (1323, 293663), (1519, 255771), (1953, 198933), (4557, 85257), (5859, 66311), (9473, 41013), (13671, 28419)]