15954057

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 28454400

約数和(自身を除く): 12500343

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 389, 441, 651, 837, 1167, 1323, 1519, 1953, 2723, 3501, 4557, 5859, 8169, 10503, 12059, 13671, 19061, 24507, 36177, 41013, 57183, 73521, 84413, 108531, 171549, 253239, 325593, 514647, 590891, 759717, 1772673, 2279151, 5318019, 15954057]

約数ペア:

[(1, 15954057), (3, 5318019), (7, 2279151), (9, 1772673), (21, 759717), (27, 590891), (31, 514647), (49, 325593), (63, 253239), (93, 171549), (147, 108531), (189, 84413), (217, 73521), (279, 57183), (389, 41013), (441, 36177), (651, 24507), (837, 19061), (1167, 13671), (1323, 12059), (1519, 10503), (1953, 8169), (2723, 5859), (3501, 4557)]