215884185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 388903680

約数和(自身を除く): 173019495

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 89, 165, 183, 241, 267, 305, 445, 671, 723, 915, 979, 1205, 1335, 2013, 2651, 2937, 3355, 3615, 4895, 5429, 7953, 10065, 13255, 14685, 14701, 16287, 21449, 27145, 39765, 44103, 59719, 64347, 73505, 81435, 107245, 161711, 179157, 220515, 235939, 298595, 321735, 485133, 707817, 808555, 895785, 1179695, 1308389, 2425665, 3539085, 3925167, 6541945, 14392279, 19625835, 43176837, 71961395, 215884185]

約数ペア:

[(1, 215884185), (3, 71961395), (5, 43176837), (11, 19625835), (15, 14392279), (33, 6541945), (55, 3925167), (61, 3539085), (89, 2425665), (165, 1308389), (183, 1179695), (241, 895785), (267, 808555), (305, 707817), (445, 485133), (671, 321735), (723, 298595), (915, 235939), (979, 220515), (1205, 179157), (1335, 161711), (2013, 107245), (2651, 81435), (2937, 73505), (3355, 64347), (3615, 59719), (4895, 44103), (5429, 39765), (7953, 27145), (10065, 21449), (13255, 16287), (14685, 14701)]