81521406

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 181756224

約数和(自身を除く): 100234818

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 173, 282, 346, 423, 519, 557, 846, 1038, 1114, 1557, 1671, 3114, 3342, 5013, 8131, 10026, 16262, 24393, 26179, 48786, 52358, 73179, 78537, 96361, 146358, 157074, 192722, 235611, 289083, 471222, 578166, 867249, 1734498, 4528967, 9057934, 13586901, 27173802, 40760703, 81521406]

約数ペア:

[(1, 81521406), (2, 40760703), (3, 27173802), (6, 13586901), (9, 9057934), (18, 4528967), (47, 1734498), (94, 867249), (141, 578166), (173, 471222), (282, 289083), (346, 235611), (423, 192722), (519, 157074), (557, 146358), (846, 96361), (1038, 78537), (1114, 73179), (1557, 52358), (1671, 48786), (3114, 26179), (3342, 24393), (5013, 16262), (8131, 10026)]