1256895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 2426112

約数和(自身を除く): 1169217

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 53, 85, 93, 153, 155, 159, 255, 265, 279, 465, 477, 527, 765, 795, 901, 1395, 1581, 1643, 2385, 2635, 2703, 4505, 4743, 4929, 7905, 8109, 8215, 13515, 14787, 23715, 24645, 27931, 40545, 73935, 83793, 139655, 251379, 418965, 1256895]

約数ペア:

[(1, 1256895), (3, 418965), (5, 251379), (9, 139655), (15, 83793), (17, 73935), (31, 40545), (45, 27931), (51, 24645), (53, 23715), (85, 14787), (93, 13515), (153, 8215), (155, 8109), (159, 7905), (255, 4929), (265, 4743), (279, 4505), (465, 2703), (477, 2635), (527, 2385), (765, 1643), (795, 1581), (901, 1395)]