15801075

素因数分解:

$3^7\times 5^2\times {\mathrm{17}}^2$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 31215760

約数和(自身を除く): 15414685

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 289, 405, 425, 459, 675, 729, 765, 867, 1215, 1275, 1377, 1445, 2025, 2187, 2295, 2601, 3645, 3825, 4131, 4335, 6075, 6885, 7225, 7803, 10935, 11475, 12393, 13005, 18225, 20655, 21675, 23409, 34425, 37179, 39015, 54675, 61965, 65025, 70227, 103275, 117045, 185895, 195075, 210681, 309825, 351135, 585225, 632043, 929475, 1053405, 1755675, 3160215, 5267025, 15801075]

約数ペア:

[(1, 15801075), (3, 5267025), (5, 3160215), (9, 1755675), (15, 1053405), (17, 929475), (25, 632043), (27, 585225), (45, 351135), (51, 309825), (75, 210681), (81, 195075), (85, 185895), (135, 117045), (153, 103275), (225, 70227), (243, 65025), (255, 61965), (289, 54675), (405, 39015), (425, 37179), (459, 34425), (675, 23409), (729, 21675), (765, 20655), (867, 18225), (1215, 13005), (1275, 12393), (1377, 11475), (1445, 10935), (2025, 7803), (2187, 7225), (2295, 6885), (2601, 6075), (3645, 4335), (3825, 4131)]