212492511

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 395366400

約数和(自身を除く): 182873889

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 179, 189, 231, 297, 537, 571, 693, 1253, 1611, 1713, 1969, 2079, 3759, 3997, 4833, 5139, 5907, 6281, 11277, 11991, 13783, 15417, 17721, 18843, 33831, 35973, 41349, 43967, 53163, 56529, 102209, 107919, 124047, 131901, 169587, 306627, 372141, 395703, 715463, 919881, 1124299, 1187109, 2146389, 2759643, 3372897, 6439167, 7870093, 10118691, 19317501, 23610279, 30356073, 70830837, 212492511]

約数ペア:

[(1, 212492511), (3, 70830837), (7, 30356073), (9, 23610279), (11, 19317501), (21, 10118691), (27, 7870093), (33, 6439167), (63, 3372897), (77, 2759643), (99, 2146389), (179, 1187109), (189, 1124299), (231, 919881), (297, 715463), (537, 395703), (571, 372141), (693, 306627), (1253, 169587), (1611, 131901), (1713, 124047), (1969, 107919), (2079, 102209), (3759, 56529), (3997, 53163), (4833, 43967), (5139, 41349), (5907, 35973), (6281, 33831), (11277, 18843), (11991, 17721), (13783, 15417)]