31930155

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 58466304

約数和(自身を除く): 26536149

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 279, 423, 465, 487, 705, 1395, 1457, 1461, 2115, 2435, 4371, 4383, 7285, 7305, 13113, 15097, 21855, 21915, 22889, 45291, 65565, 68667, 75485, 114445, 135873, 206001, 226455, 343335, 679365, 709559, 1030005, 2128677, 3547795, 6386031, 10643385, 31930155]

約数ペア:

[(1, 31930155), (3, 10643385), (5, 6386031), (9, 3547795), (15, 2128677), (31, 1030005), (45, 709559), (47, 679365), (93, 343335), (141, 226455), (155, 206001), (235, 135873), (279, 114445), (423, 75485), (465, 68667), (487, 65565), (705, 45291), (1395, 22889), (1457, 21915), (1461, 21855), (2115, 15097), (2435, 13113), (4371, 7305), (4383, 7285)]