87781197

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 146266560

約数和(自身を除く): 58485363

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 133, 147, 159, 371, 399, 593, 931, 1007, 1113, 1779, 2597, 2793, 3021, 4151, 7049, 7791, 11267, 12453, 21147, 29057, 31429, 33801, 49343, 78869, 87171, 94287, 148029, 220003, 236607, 552083, 597151, 660009, 1540021, 1656249, 1791453, 4180057, 4620063, 12540171, 29260399, 87781197]

約数ペア:

[(1, 87781197), (3, 29260399), (7, 12540171), (19, 4620063), (21, 4180057), (49, 1791453), (53, 1656249), (57, 1540021), (133, 660009), (147, 597151), (159, 552083), (371, 236607), (399, 220003), (593, 148029), (931, 94287), (1007, 87171), (1113, 78869), (1779, 49343), (2597, 33801), (2793, 31429), (3021, 29057), (4151, 21147), (7049, 12453), (7791, 11267)]