42188895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 84864000

約数和(自身を除く): 42675105

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1407, 1999, 2345, 3015, 4221, 5997, 7035, 9995, 13993, 17991, 21105, 29985, 41979, 69965, 89955, 125937, 133933, 209895, 401799, 629685, 669665, 937531, 1205397, 2008995, 2812593, 4687655, 6026985, 8437779, 14062965, 42188895]

約数ペア:

[(1, 42188895), (3, 14062965), (5, 8437779), (7, 6026985), (9, 4687655), (15, 2812593), (21, 2008995), (35, 1205397), (45, 937531), (63, 669665), (67, 629685), (105, 401799), (201, 209895), (315, 133933), (335, 125937), (469, 89955), (603, 69965), (1005, 41979), (1407, 29985), (1999, 21105), (2345, 17991), (3015, 13993), (4221, 9995), (5997, 7035)]