15971175

素因数分解:

$3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 16526745

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 239, 243, 275, 297, 405, 495, 675, 717, 825, 891, 1195, 1215, 1485, 2025, 2151, 2475, 2629, 2673, 3585, 4455, 5975, 6075, 6453, 7425, 7887, 10755, 13145, 13365, 17925, 19359, 22275, 23661, 32265, 39435, 53775, 58077, 65725, 66825, 70983, 96795, 118305, 161325, 197175, 212949, 290385, 354915, 483975, 591525, 638847, 1064745, 1451925, 1774575, 3194235, 5323725, 15971175]

約数ペア:

[(1, 15971175), (3, 5323725), (5, 3194235), (9, 1774575), (11, 1451925), (15, 1064745), (25, 638847), (27, 591525), (33, 483975), (45, 354915), (55, 290385), (75, 212949), (81, 197175), (99, 161325), (135, 118305), (165, 96795), (225, 70983), (239, 66825), (243, 65725), (275, 58077), (297, 53775), (405, 39435), (495, 32265), (675, 23661), (717, 22275), (825, 19359), (891, 17925), (1195, 13365), (1215, 13145), (1485, 10755), (2025, 7887), (2151, 7425), (2475, 6453), (2629, 6075), (2673, 5975), (3585, 4455)]