15428475

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 30158040

約数和(自身を除く): 14729565

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 401, 405, 475, 513, 675, 855, 1203, 1425, 1539, 2005, 2025, 2565, 3609, 4275, 6015, 7619, 7695, 10025, 10827, 12825, 18045, 22857, 30075, 32481, 38095, 38475, 54135, 68571, 90225, 114285, 162405, 190475, 205713, 270675, 342855, 571425, 617139, 812025, 1028565, 1714275, 3085695, 5142825, 15428475]

約数ペア:

[(1, 15428475), (3, 5142825), (5, 3085695), (9, 1714275), (15, 1028565), (19, 812025), (25, 617139), (27, 571425), (45, 342855), (57, 270675), (75, 205713), (81, 190475), (95, 162405), (135, 114285), (171, 90225), (225, 68571), (285, 54135), (401, 38475), (405, 38095), (475, 32481), (513, 30075), (675, 22857), (855, 18045), (1203, 12825), (1425, 10827), (1539, 10025), (2005, 7695), (2025, 7619), (2565, 6015), (3609, 4275)]