16582725

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 60

約数和(自身を含む): 32408640

約数和(自身を除く): 15825915

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 431, 475, 513, 675, 855, 1293, 1425, 1539, 2025, 2155, 2565, 3879, 4275, 6465, 7695, 8189, 10775, 11637, 12825, 19395, 24567, 32325, 34911, 38475, 40945, 58185, 73701, 96975, 122835, 174555, 204725, 221103, 290925, 368505, 614175, 663309, 872775, 1105515, 1842525, 3316545, 5527575, 16582725]

約数ペア:

[(1, 16582725), (3, 5527575), (5, 3316545), (9, 1842525), (15, 1105515), (19, 872775), (25, 663309), (27, 614175), (45, 368505), (57, 290925), (75, 221103), (81, 204725), (95, 174555), (135, 122835), (171, 96975), (225, 73701), (285, 58185), (405, 40945), (431, 38475), (475, 34911), (513, 32325), (675, 24567), (855, 19395), (1293, 12825), (1425, 11637), (1539, 10775), (2025, 8189), (2155, 7695), (2565, 6465), (3879, 4275)]