1920397425

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{3851}}^1$

素因数の和:4034

約数の個数: 48

約数和(自身を含む): 3257559360

約数和(自身を除く): 1337161935

約数列:

[1, 3, 5, 15, 25, 61, 75, 109, 183, 305, 327, 545, 915, 1525, 1635, 2725, 3851, 4575, 6649, 8175, 11553, 19255, 19947, 33245, 57765, 96275, 99735, 166225, 234911, 288825, 419759, 498675, 704733, 1174555, 1259277, 2098795, 3523665, 5872775, 6296385, 10493975, 17618325, 25605299, 31481925, 76815897, 128026495, 384079485, 640132475, 1920397425]

約数ペア:

[(1, 1920397425), (3, 640132475), (5, 384079485), (15, 128026495), (25, 76815897), (61, 31481925), (75, 25605299), (109, 17618325), (183, 10493975), (305, 6296385), (327, 5872775), (545, 3523665), (915, 2098795), (1525, 1259277), (1635, 1174555), (2725, 704733), (3851, 498675), (4575, 419759), (6649, 288825), (8175, 234911), (11553, 166225), (19255, 99735), (19947, 96275), (33245, 57765)]