23939175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 43691648

約数和(自身を除く): 19752473

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 571, 645, 975, 1075, 1677, 1713, 2795, 2855, 3225, 7423, 8385, 8565, 13975, 14275, 22269, 24553, 37115, 41925, 42825, 73659, 111345, 122765, 185575, 319189, 368295, 556725, 613825, 957567, 1595945, 1841475, 4787835, 7979725, 23939175]

約数ペア:

[(1, 23939175), (3, 7979725), (5, 4787835), (13, 1841475), (15, 1595945), (25, 957567), (39, 613825), (43, 556725), (65, 368295), (75, 319189), (129, 185575), (195, 122765), (215, 111345), (325, 73659), (559, 42825), (571, 41925), (645, 37115), (975, 24553), (1075, 22269), (1677, 14275), (1713, 13975), (2795, 8565), (2855, 8385), (3225, 7423)]