72857169

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 139568832

約数和(自身を除く): 66711663

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 147, 161, 207, 231, 253, 441, 483, 539, 653, 693, 759, 1127, 1449, 1617, 1771, 1959, 2277, 3381, 4571, 4851, 5313, 5877, 7183, 10143, 12397, 13713, 15019, 15939, 21549, 31997, 37191, 41139, 45057, 50281, 64647, 95991, 105133, 111573, 135171, 150843, 165209, 287973, 315399, 351967, 452529, 495627, 735931, 946197, 1055901, 1156463, 1486881, 2207793, 3167703, 3469389, 6623379, 8095241, 10408167, 24285723, 72857169]

約数ペア:

[(1, 72857169), (3, 24285723), (7, 10408167), (9, 8095241), (11, 6623379), (21, 3469389), (23, 3167703), (33, 2207793), (49, 1486881), (63, 1156463), (69, 1055901), (77, 946197), (99, 735931), (147, 495627), (161, 452529), (207, 351967), (231, 315399), (253, 287973), (441, 165209), (483, 150843), (539, 135171), (653, 111573), (693, 105133), (759, 95991), (1127, 64647), (1449, 50281), (1617, 45057), (1771, 41139), (1959, 37191), (2277, 31997), (3381, 21549), (4571, 15939), (4851, 15019), (5313, 13713), (5877, 12397), (7183, 10143)]