31461390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20593

約数の個数: 48

約数和(自身を含む): 86615568

約数和(自身を除く): 55154178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20563, 41126, 61689, 102815, 123378, 185067, 205630, 308445, 349571, 370134, 616890, 699142, 925335, 1048713, 1747855, 1850670, 2097426, 3146139, 3495710, 5243565, 6292278, 10487130, 15730695, 31461390]

約数ペア:

[(1, 31461390), (2, 15730695), (3, 10487130), (5, 6292278), (6, 5243565), (9, 3495710), (10, 3146139), (15, 2097426), (17, 1850670), (18, 1747855), (30, 1048713), (34, 925335), (45, 699142), (51, 616890), (85, 370134), (90, 349571), (102, 308445), (153, 205630), (170, 185067), (255, 123378), (306, 102815), (510, 61689), (765, 41126), (1530, 20563)]