213117723

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 80

約数和(自身を含む): 405746880

約数和(自身を除く): 192629157

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 81, 87, 91, 117, 189, 203, 261, 273, 351, 377, 567, 609, 783, 819, 997, 1053, 1131, 1827, 2349, 2457, 2639, 2991, 3393, 5481, 6979, 7371, 7917, 8973, 10179, 12961, 16443, 20937, 23751, 26919, 28913, 30537, 38883, 62811, 71253, 80757, 86739, 90727, 116649, 188433, 202391, 213759, 260217, 272181, 349947, 375869, 565299, 607173, 780651, 816543, 1049841, 1127607, 1821519, 2341953, 2449629, 2631083, 3382821, 5464557, 7348887, 7893249, 10148463, 16393671, 23679747, 30445389, 71039241, 213117723]

約数ペア:

[(1, 213117723), (3, 71039241), (7, 30445389), (9, 23679747), (13, 16393671), (21, 10148463), (27, 7893249), (29, 7348887), (39, 5464557), (63, 3382821), (81, 2631083), (87, 2449629), (91, 2341953), (117, 1821519), (189, 1127607), (203, 1049841), (261, 816543), (273, 780651), (351, 607173), (377, 565299), (567, 375869), (609, 349947), (783, 272181), (819, 260217), (997, 213759), (1053, 202391), (1131, 188433), (1827, 116649), (2349, 90727), (2457, 86739), (2639, 80757), (2991, 71253), (3393, 62811), (5481, 38883), (6979, 30537), (7371, 28913), (7917, 26919), (8973, 23751), (10179, 20937), (12961, 16443)]