31484817

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 57541120

約数和(自身を除く): 26056303

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1039, 1443, 2331, 3117, 3367, 4329, 7273, 9351, 10101, 13507, 21819, 30303, 38443, 40521, 65457, 94549, 115329, 121563, 269101, 283647, 345987, 499759, 807303, 850941, 1499277, 2421909, 3498313, 4497831, 10494939, 31484817]

約数ペア:

[(1, 31484817), (3, 10494939), (7, 4497831), (9, 3498313), (13, 2421909), (21, 1499277), (37, 850941), (39, 807303), (63, 499759), (91, 345987), (111, 283647), (117, 269101), (259, 121563), (273, 115329), (333, 94549), (481, 65457), (777, 40521), (819, 38443), (1039, 30303), (1443, 21819), (2331, 13507), (3117, 10101), (3367, 9351), (4329, 7273)]