15969825

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 29908800

約数和(自身を除く): 13938975

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 401, 531, 675, 885, 1203, 1475, 1593, 2005, 2655, 3609, 4425, 6015, 7965, 10025, 10827, 13275, 18045, 23659, 30075, 39825, 54135, 70977, 90225, 118295, 212931, 270675, 354885, 591475, 638793, 1064655, 1774425, 3193965, 5323275, 15969825]

約数ペア:

[(1, 15969825), (3, 5323275), (5, 3193965), (9, 1774425), (15, 1064655), (25, 638793), (27, 591475), (45, 354885), (59, 270675), (75, 212931), (135, 118295), (177, 90225), (225, 70977), (295, 54135), (401, 39825), (531, 30075), (675, 23659), (885, 18045), (1203, 13275), (1475, 10827), (1593, 10025), (2005, 7965), (2655, 6015), (3609, 4425)]