172393893

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 306892800

約数和(自身を除く): 134498907

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 71, 87, 189, 203, 213, 261, 443, 497, 609, 639, 783, 1329, 1491, 1827, 1917, 2059, 3101, 3987, 4473, 5481, 6177, 9303, 11961, 12847, 13419, 14413, 18531, 27909, 31453, 38541, 43239, 55593, 83727, 89929, 94359, 115623, 129717, 220171, 269787, 283077, 346869, 389151, 660513, 809361, 849231, 912137, 1981539, 2428083, 2736411, 5944617, 6384959, 8209233, 19154877, 24627699, 57464631, 172393893]

約数ペア:

[(1, 172393893), (3, 57464631), (7, 24627699), (9, 19154877), (21, 8209233), (27, 6384959), (29, 5944617), (63, 2736411), (71, 2428083), (87, 1981539), (189, 912137), (203, 849231), (213, 809361), (261, 660513), (443, 389151), (497, 346869), (609, 283077), (639, 269787), (783, 220171), (1329, 129717), (1491, 115623), (1827, 94359), (1917, 89929), (2059, 83727), (3101, 55593), (3987, 43239), (4473, 38541), (5481, 31453), (6177, 27909), (9303, 18531), (11961, 14413), (12847, 13419)]