268911015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{1427}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 456503040

約数和(自身を除く): 187592025

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 739, 1427, 2217, 3695, 4281, 7135, 11085, 12563, 21405, 24259, 37689, 62815, 72777, 121295, 188445, 363885, 1054553, 3163659, 5272765, 15818295, 17927401, 53782203, 89637005, 268911015]

約数ペア:

[(1, 268911015), (3, 89637005), (5, 53782203), (15, 17927401), (17, 15818295), (51, 5272765), (85, 3163659), (255, 1054553), (739, 363885), (1427, 188445), (2217, 121295), (3695, 72777), (4281, 62815), (7135, 37689), (11085, 24259), (12563, 21405)]