31232175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 56329728

約数和(自身を除く): 25097553

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 195, 309, 311, 325, 515, 933, 975, 1339, 1545, 1555, 2575, 4017, 4043, 4665, 6695, 7725, 7775, 12129, 20085, 20215, 23325, 32033, 33475, 60645, 96099, 100425, 101075, 160165, 303225, 416429, 480495, 800825, 1249287, 2082145, 2402475, 6246435, 10410725, 31232175]

約数ペア:

[(1, 31232175), (3, 10410725), (5, 6246435), (13, 2402475), (15, 2082145), (25, 1249287), (39, 800825), (65, 480495), (75, 416429), (103, 303225), (195, 160165), (309, 101075), (311, 100425), (325, 96099), (515, 60645), (933, 33475), (975, 32033), (1339, 23325), (1545, 20215), (1555, 20085), (2575, 12129), (4017, 7775), (4043, 7725), (4665, 6695)]