68847975

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 77392665

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 525, 567, 675, 945, 1215, 1575, 1619, 1701, 2025, 2835, 4725, 4857, 6075, 8095, 8505, 11333, 14175, 14571, 24285, 33999, 40475, 42525, 43713, 56665, 72855, 101997, 121425, 131139, 169995, 218565, 283325, 305991, 364275, 393417, 509985, 655695, 849975, 917973, 1092825, 1529955, 1967085, 2549925, 2753919, 3278475, 4589865, 7649775, 9835425, 13769595, 22949325, 68847975]

約数ペア:

[(1, 68847975), (3, 22949325), (5, 13769595), (7, 9835425), (9, 7649775), (15, 4589865), (21, 3278475), (25, 2753919), (27, 2549925), (35, 1967085), (45, 1529955), (63, 1092825), (75, 917973), (81, 849975), (105, 655695), (135, 509985), (175, 393417), (189, 364275), (225, 305991), (243, 283325), (315, 218565), (405, 169995), (525, 131139), (567, 121425), (675, 101997), (945, 72855), (1215, 56665), (1575, 43713), (1619, 42525), (1701, 40475), (2025, 33999), (2835, 24285), (4725, 14571), (4857, 14175), (6075, 11333), (8095, 8505)]