78021867

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 135705600

約数和(自身を除く): 57683733

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 113, 147, 183, 231, 339, 343, 427, 539, 671, 791, 1029, 1243, 1281, 1617, 2013, 2373, 2989, 3729, 3773, 4697, 5537, 6893, 8701, 8967, 11319, 14091, 16611, 20679, 20923, 26103, 32879, 38759, 48251, 60907, 62769, 75823, 98637, 116277, 144753, 182721, 227469, 230153, 337757, 426349, 530761, 690459, 1013271, 1279047, 1592283, 2364299, 3715327, 7092897, 11145981, 26007289, 78021867]

約数ペア:

[(1, 78021867), (3, 26007289), (7, 11145981), (11, 7092897), (21, 3715327), (33, 2364299), (49, 1592283), (61, 1279047), (77, 1013271), (113, 690459), (147, 530761), (183, 426349), (231, 337757), (339, 230153), (343, 227469), (427, 182721), (539, 144753), (671, 116277), (791, 98637), (1029, 75823), (1243, 62769), (1281, 60907), (1617, 48251), (2013, 38759), (2373, 32879), (2989, 26103), (3729, 20923), (3773, 20679), (4697, 16611), (5537, 14091), (6893, 11319), (8701, 8967)]