490578889227

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1\times {\mathrm{179947}}^1$

素因数の和:181079

約数の個数: 32

約数和(自身を含む): 754019549184

約数和(自身を除く): 263440659957

約数列:

[1, 3, 7, 21, 131, 393, 917, 991, 2751, 2973, 6937, 20811, 129821, 179947, 389463, 539841, 908747, 1259629, 2726241, 3778887, 23573057, 70719171, 165011399, 178327477, 495034197, 534982431, 1248292339, 3744877017, 23360899487, 70082698461, 163526296409, 490578889227]

約数ペア:

[(1, 490578889227), (3, 163526296409), (7, 70082698461), (21, 23360899487), (131, 3744877017), (393, 1248292339), (917, 534982431), (991, 495034197), (2751, 178327477), (2973, 165011399), (6937, 70719171), (20811, 23573057), (129821, 3778887), (179947, 2726241), (389463, 1259629), (539841, 908747)]