81618318

素因数分解:

$2^1\times 3^2\times {\mathrm{113}}^1\times {\mathrm{40127}}^1$

素因数の和:40248

約数の個数: 24

約数和(自身を含む): 178409088

約数和(自身を除く): 96790770

約数列:

[1, 2, 3, 6, 9, 18, 113, 226, 339, 678, 1017, 2034, 40127, 80254, 120381, 240762, 361143, 722286, 4534351, 9068702, 13603053, 27206106, 40809159, 81618318]

約数ペア:

[(1, 81618318), (2, 40809159), (3, 27206106), (6, 13603053), (9, 9068702), (18, 4534351), (113, 722286), (226, 361143), (339, 240762), (678, 120381), (1017, 80254), (2034, 40127)]