145194987

素因数分解:

$3^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 227520000

約数和(自身を除く): 82325013

約数列:

[1, 3, 7, 21, 49, 147, 149, 343, 447, 947, 1029, 1043, 2841, 3129, 6629, 7301, 19887, 21903, 46403, 51107, 139209, 141103, 153321, 324821, 423309, 974463, 987721, 2963163, 6914047, 20742141, 48398329, 145194987]

約数ペア:

[(1, 145194987), (3, 48398329), (7, 20742141), (21, 6914047), (49, 2963163), (147, 987721), (149, 974463), (343, 423309), (447, 324821), (947, 153321), (1029, 141103), (1043, 139209), (2841, 51107), (3129, 46403), (6629, 21903), (7301, 19887)]