243375885

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2957}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 442990080

約数和(自身を除く): 199614195

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 279, 295, 465, 531, 885, 1395, 1829, 2655, 2957, 5487, 8871, 9145, 14785, 16461, 26613, 27435, 44355, 82305, 91667, 133065, 174463, 275001, 458335, 523389, 825003, 872315, 1375005, 1570167, 2616945, 4125015, 5408353, 7850835, 16225059, 27041765, 48675177, 81125295, 243375885]

約数ペア:

[(1, 243375885), (3, 81125295), (5, 48675177), (9, 27041765), (15, 16225059), (31, 7850835), (45, 5408353), (59, 4125015), (93, 2616945), (155, 1570167), (177, 1375005), (279, 872315), (295, 825003), (465, 523389), (531, 458335), (885, 275001), (1395, 174463), (1829, 133065), (2655, 91667), (2957, 82305), (5487, 44355), (8871, 27435), (9145, 26613), (14785, 16461)]