42173859

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 72969120

約数和(自身を除く): 30795261

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 609, 637, 761, 1131, 1421, 1911, 2283, 2639, 4263, 5327, 7917, 9893, 15981, 18473, 22069, 29679, 37289, 55419, 66207, 69251, 111867, 154483, 207753, 286897, 463449, 484757, 860691, 1081381, 1454271, 2008279, 3244143, 6024837, 14057953, 42173859]

約数ペア:

[(1, 42173859), (3, 14057953), (7, 6024837), (13, 3244143), (21, 2008279), (29, 1454271), (39, 1081381), (49, 860691), (87, 484757), (91, 463449), (147, 286897), (203, 207753), (273, 154483), (377, 111867), (609, 69251), (637, 66207), (761, 55419), (1131, 37289), (1421, 29679), (1911, 22069), (2283, 18473), (2639, 15981), (4263, 9893), (5327, 7917)]