3954825

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 84

約数和(自身を含む): 8674048

約数和(自身を除く): 4719223

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 81, 93, 105, 135, 155, 175, 189, 217, 225, 243, 279, 315, 405, 465, 525, 567, 651, 675, 729, 775, 837, 945, 1085, 1215, 1395, 1575, 1701, 1953, 2025, 2325, 2511, 2835, 3255, 3645, 4185, 4725, 5103, 5425, 5859, 6075, 6975, 7533, 8505, 9765, 12555, 14175, 16275, 17577, 18225, 20925, 22599, 25515, 29295, 37665, 42525, 48825, 52731, 62775, 87885, 112995, 127575, 146475, 158193, 188325, 263655, 439425, 564975, 790965, 1318275, 3954825]

約数ペア:

[(1, 3954825), (3, 1318275), (5, 790965), (7, 564975), (9, 439425), (15, 263655), (21, 188325), (25, 158193), (27, 146475), (31, 127575), (35, 112995), (45, 87885), (63, 62775), (75, 52731), (81, 48825), (93, 42525), (105, 37665), (135, 29295), (155, 25515), (175, 22599), (189, 20925), (217, 18225), (225, 17577), (243, 16275), (279, 14175), (315, 12555), (405, 9765), (465, 8505), (525, 7533), (567, 6975), (651, 6075), (675, 5859), (729, 5425), (775, 5103), (837, 4725), (945, 4185), (1085, 3645), (1215, 3255), (1395, 2835), (1575, 2511), (1701, 2325), (1953, 2025)]