81965142

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{30977}}^1$

素因数の和:31002

約数の個数: 48

約数和(自身を含む): 211889520

約数和(自身を除く): 129924378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 30977, 61954, 92931, 185862, 216839, 278793, 433678, 557586, 650517, 836379, 1301034, 1517873, 1672758, 1951551, 3035746, 3903102, 4553619, 5854653, 9107238, 11709306, 13660857, 27321714, 40982571, 81965142]

約数ペア:

[(1, 81965142), (2, 40982571), (3, 27321714), (6, 13660857), (7, 11709306), (9, 9107238), (14, 5854653), (18, 4553619), (21, 3903102), (27, 3035746), (42, 1951551), (49, 1672758), (54, 1517873), (63, 1301034), (98, 836379), (126, 650517), (147, 557586), (189, 433678), (294, 278793), (378, 216839), (441, 185862), (882, 92931), (1323, 61954), (2646, 30977)]