215460399

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7013}}^1$

素因数の和:7060

約数の個数: 48

約数和(自身を含む): 383806080

約数和(自身を除く): 168345681

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 7013, 10241, 21039, 30723, 49091, 77143, 133247, 147273, 231429, 343637, 399741, 540001, 932729, 1030911, 1465717, 1620003, 2798187, 3780007, 4397151, 6529103, 10260019, 11340021, 19587309, 30780057, 71820133, 215460399]

約数ペア:

[(1, 215460399), (3, 71820133), (7, 30780057), (11, 19587309), (19, 11340021), (21, 10260019), (33, 6529103), (49, 4397151), (57, 3780007), (77, 2798187), (133, 1620003), (147, 1465717), (209, 1030911), (231, 932729), (399, 540001), (539, 399741), (627, 343637), (931, 231429), (1463, 147273), (1617, 133247), (2793, 77143), (4389, 49091), (7013, 30723), (10241, 21039)]