128220375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{20113}}^1$

素因数の和:20148

約数の個数: 32

約数和(自身を含む): 225920448

約数和(自身を除く): 97700073

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 20113, 60339, 100565, 301695, 341921, 502825, 1025763, 1508475, 1709605, 2514125, 5128815, 7542375, 8548025, 25644075, 42740125, 128220375]

約数ペア:

[(1, 128220375), (3, 42740125), (5, 25644075), (15, 8548025), (17, 7542375), (25, 5128815), (51, 2514125), (75, 1709605), (85, 1508475), (125, 1025763), (255, 502825), (375, 341921), (425, 301695), (1275, 100565), (2125, 60339), (6375, 20113)]