57815775

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 111215104

約数和(自身を除く): 53399329

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 307, 405, 465, 675, 775, 837, 921, 1215, 1395, 1535, 2025, 2325, 2511, 2763, 4185, 4605, 6075, 6975, 7533, 7675, 8289, 9517, 12555, 13815, 20925, 23025, 24867, 28551, 37665, 41445, 47585, 62775, 69075, 74601, 85653, 124335, 142755, 188325, 207225, 237925, 256959, 373005, 428265, 621675, 713775, 770877, 1284795, 1865025, 2141325, 2312631, 3854385, 6423975, 11563155, 19271925, 57815775]

約数ペア:

[(1, 57815775), (3, 19271925), (5, 11563155), (9, 6423975), (15, 3854385), (25, 2312631), (27, 2141325), (31, 1865025), (45, 1284795), (75, 770877), (81, 713775), (93, 621675), (135, 428265), (155, 373005), (225, 256959), (243, 237925), (279, 207225), (307, 188325), (405, 142755), (465, 124335), (675, 85653), (775, 74601), (837, 69075), (921, 62775), (1215, 47585), (1395, 41445), (1535, 37665), (2025, 28551), (2325, 24867), (2511, 23025), (2763, 20925), (4185, 13815), (4605, 12555), (6075, 9517), (6975, 8289), (7533, 7675)]