49385295

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2077

約数の個数: 40

約数和(自身を含む): 90024000

約数和(自身を除く): 40638705

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 1999, 2745, 4941, 5997, 8235, 9995, 17991, 24705, 29985, 53973, 89955, 121939, 161919, 269865, 365817, 609695, 809595, 1097451, 1829085, 3292353, 5487255, 9877059, 16461765, 49385295]

約数ペア:

[(1, 49385295), (3, 16461765), (5, 9877059), (9, 5487255), (15, 3292353), (27, 1829085), (45, 1097451), (61, 809595), (81, 609695), (135, 365817), (183, 269865), (305, 161919), (405, 121939), (549, 89955), (915, 53973), (1647, 29985), (1999, 24705), (2745, 17991), (4941, 9995), (5997, 8235)]