15558075

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 31279248

約数和(自身を除く): 15721173

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 197, 225, 243, 325, 351, 405, 585, 591, 675, 975, 985, 1053, 1215, 1755, 1773, 2025, 2561, 2925, 2955, 3159, 4925, 5265, 5319, 6075, 7683, 8775, 8865, 12805, 14775, 15795, 15957, 23049, 26325, 26595, 38415, 44325, 47871, 64025, 69147, 78975, 79785, 115245, 132975, 192075, 207441, 239355, 345735, 398925, 576225, 622323, 1037205, 1196775, 1728675, 3111615, 5186025, 15558075]

約数ペア:

[(1, 15558075), (3, 5186025), (5, 3111615), (9, 1728675), (13, 1196775), (15, 1037205), (25, 622323), (27, 576225), (39, 398925), (45, 345735), (65, 239355), (75, 207441), (81, 192075), (117, 132975), (135, 115245), (195, 79785), (197, 78975), (225, 69147), (243, 64025), (325, 47871), (351, 44325), (405, 38415), (585, 26595), (591, 26325), (675, 23049), (975, 15957), (985, 15795), (1053, 14775), (1215, 12805), (1755, 8865), (1773, 8775), (2025, 7683), (2561, 6075), (2925, 5319), (2955, 5265), (3159, 4925)]