261274479

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 387348480

約数和(自身を除く): 126074001

約数列:

[1, 3, 17, 31, 51, 59, 93, 177, 527, 1003, 1581, 1829, 2801, 3009, 5487, 8403, 31093, 47617, 86831, 93279, 142851, 165259, 260493, 495777, 1476127, 2809403, 4428381, 5123029, 8428209, 15369087, 87091493, 261274479]

約数ペア:

[(1, 261274479), (3, 87091493), (17, 15369087), (31, 8428209), (51, 5123029), (59, 4428381), (93, 2809403), (177, 1476127), (527, 495777), (1003, 260493), (1581, 165259), (1829, 142851), (2801, 93279), (3009, 86831), (5487, 47617), (8403, 31093)]