1308915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 2527200

約数和(自身を除く): 1218285

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 59, 85, 87, 145, 153, 177, 255, 261, 295, 435, 493, 531, 765, 885, 1003, 1305, 1479, 1711, 2465, 2655, 3009, 4437, 5015, 5133, 7395, 8555, 9027, 15045, 15399, 22185, 25665, 29087, 45135, 76995, 87261, 145435, 261783, 436305, 1308915]

約数ペア:

[(1, 1308915), (3, 436305), (5, 261783), (9, 145435), (15, 87261), (17, 76995), (29, 45135), (45, 29087), (51, 25665), (59, 22185), (85, 15399), (87, 15045), (145, 9027), (153, 8555), (177, 7395), (255, 5133), (261, 5015), (295, 4437), (435, 3009), (493, 2655), (531, 2465), (765, 1711), (885, 1479), (1003, 1305)]