401067261

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 713318400

約数和(自身を除く): 312251139

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 257, 359, 483, 621, 771, 1077, 1449, 1799, 2313, 2513, 3231, 4347, 5397, 5911, 6939, 7539, 8257, 9693, 16191, 17733, 22617, 24771, 41377, 48573, 53199, 57799, 67851, 74313, 92263, 124131, 159597, 173397, 222939, 276789, 372393, 520191, 645841, 830367, 1117179, 1560573, 1937523, 2122049, 2491101, 5812569, 6366147, 14854343, 17437707, 19098441, 44563029, 57295323, 133689087, 401067261]

約数ペア:

[(1, 401067261), (3, 133689087), (7, 57295323), (9, 44563029), (21, 19098441), (23, 17437707), (27, 14854343), (63, 6366147), (69, 5812569), (161, 2491101), (189, 2122049), (207, 1937523), (257, 1560573), (359, 1117179), (483, 830367), (621, 645841), (771, 520191), (1077, 372393), (1449, 276789), (1799, 222939), (2313, 173397), (2513, 159597), (3231, 124131), (4347, 92263), (5397, 74313), (5911, 67851), (6939, 57799), (7539, 53199), (8257, 48573), (9693, 41377), (16191, 24771), (17733, 22617)]