42005985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 79442496

約数和(自身を除く): 37436511

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 67, 105, 147, 201, 245, 335, 469, 735, 853, 1005, 1407, 2345, 2559, 3283, 4265, 5971, 7035, 9849, 12795, 16415, 17913, 29855, 41797, 49245, 57151, 89565, 125391, 171453, 208985, 285755, 400057, 626955, 857265, 1200171, 2000285, 2800399, 6000855, 8401197, 14001995, 42005985]

約数ペア:

[(1, 42005985), (3, 14001995), (5, 8401197), (7, 6000855), (15, 2800399), (21, 2000285), (35, 1200171), (49, 857265), (67, 626955), (105, 400057), (147, 285755), (201, 208985), (245, 171453), (335, 125391), (469, 89565), (735, 57151), (853, 49245), (1005, 41797), (1407, 29855), (2345, 17913), (2559, 16415), (3283, 12795), (4265, 9849), (5971, 7035)]