42780969

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8819}}^1$

素因数の和:8850

約数の個数: 36

約数和(自身を含む): 78427440

約数和(自身を除く): 35646471

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 8819, 26457, 61733, 79371, 97009, 185199, 291027, 432131, 555597, 679063, 873081, 1296393, 2037189, 3889179, 4753441, 6111567, 14260323, 42780969]

約数ペア:

[(1, 42780969), (3, 14260323), (7, 6111567), (9, 4753441), (11, 3889179), (21, 2037189), (33, 1296393), (49, 873081), (63, 679063), (77, 555597), (99, 432131), (147, 291027), (231, 185199), (441, 97009), (539, 79371), (693, 61733), (1617, 26457), (4851, 8819)]