247431375

素因数分解:

$3^3\times 5^3\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 461260800

約数和(自身を除く): 213829425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 167, 225, 375, 439, 501, 675, 835, 1125, 1317, 1503, 2195, 2505, 3375, 3951, 4175, 4509, 6585, 7515, 10975, 11853, 12525, 19755, 20875, 22545, 32925, 37575, 54875, 59265, 62625, 73313, 98775, 112725, 164625, 187875, 219939, 296325, 366565, 493875, 563625, 659817, 1099695, 1481625, 1832825, 1979451, 3299085, 5498475, 9164125, 9897255, 16495425, 27492375, 49486275, 82477125, 247431375]

約数ペア:

[(1, 247431375), (3, 82477125), (5, 49486275), (9, 27492375), (15, 16495425), (25, 9897255), (27, 9164125), (45, 5498475), (75, 3299085), (125, 1979451), (135, 1832825), (167, 1481625), (225, 1099695), (375, 659817), (439, 563625), (501, 493875), (675, 366565), (835, 296325), (1125, 219939), (1317, 187875), (1503, 164625), (2195, 112725), (2505, 98775), (3375, 73313), (3951, 62625), (4175, 59265), (4509, 54875), (6585, 37575), (7515, 32925), (10975, 22545), (11853, 20875), (12525, 19755)]