26102205

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 47412144

約数和(自身を除く): 21309939

約数列:

[1, 3, 5, 9, 15, 37, 45, 61, 111, 183, 185, 257, 305, 333, 549, 555, 771, 915, 1285, 1665, 2257, 2313, 2745, 3855, 6771, 9509, 11285, 11565, 15677, 20313, 28527, 33855, 47031, 47545, 78385, 85581, 101565, 141093, 142635, 235155, 427905, 580049, 705465, 1740147, 2900245, 5220441, 8700735, 26102205]

約数ペア:

[(1, 26102205), (3, 8700735), (5, 5220441), (9, 2900245), (15, 1740147), (37, 705465), (45, 580049), (61, 427905), (111, 235155), (183, 142635), (185, 141093), (257, 101565), (305, 85581), (333, 78385), (549, 47545), (555, 47031), (771, 33855), (915, 28527), (1285, 20313), (1665, 15677), (2257, 11565), (2313, 11285), (2745, 9509), (3855, 6771)]