31037175

素因数分解:

$3^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 84

約数和(自身を含む): 62615784

約数和(自身を除く): 31578609

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 131, 135, 195, 225, 243, 325, 351, 393, 405, 585, 655, 675, 729, 975, 1053, 1179, 1215, 1703, 1755, 1965, 2025, 2925, 3159, 3275, 3537, 3645, 5109, 5265, 5895, 6075, 8515, 8775, 9477, 9825, 10611, 15327, 15795, 17685, 18225, 25545, 26325, 29475, 31833, 42575, 45981, 47385, 53055, 76635, 78975, 88425, 95499, 127725, 137943, 159165, 229905, 236925, 265275, 383175, 413829, 477495, 689715, 795825, 1149525, 1241487, 2069145, 2387475, 3448575, 6207435, 10345725, 31037175]

約数ペア:

[(1, 31037175), (3, 10345725), (5, 6207435), (9, 3448575), (13, 2387475), (15, 2069145), (25, 1241487), (27, 1149525), (39, 795825), (45, 689715), (65, 477495), (75, 413829), (81, 383175), (117, 265275), (131, 236925), (135, 229905), (195, 159165), (225, 137943), (243, 127725), (325, 95499), (351, 88425), (393, 78975), (405, 76635), (585, 53055), (655, 47385), (675, 45981), (729, 42575), (975, 31833), (1053, 29475), (1179, 26325), (1215, 25545), (1703, 18225), (1755, 17685), (1965, 15795), (2025, 15327), (2925, 10611), (3159, 9825), (3275, 9477), (3537, 8775), (3645, 8515), (5109, 6075), (5265, 5895)]