28268175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 51107840

約数和(自身を除く): 22839665

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 195, 237, 325, 367, 395, 975, 1027, 1101, 1185, 1835, 1975, 3081, 4771, 5135, 5505, 5925, 9175, 14313, 15405, 23855, 25675, 27525, 28993, 71565, 77025, 86979, 119275, 144965, 357825, 376909, 434895, 724825, 1130727, 1884545, 2174475, 5653635, 9422725, 28268175]

約数ペア:

[(1, 28268175), (3, 9422725), (5, 5653635), (13, 2174475), (15, 1884545), (25, 1130727), (39, 724825), (65, 434895), (75, 376909), (79, 357825), (195, 144965), (237, 119275), (325, 86979), (367, 77025), (395, 71565), (975, 28993), (1027, 27525), (1101, 25675), (1185, 23855), (1835, 15405), (1975, 14313), (3081, 9175), (4771, 5925), (5135, 5505)]