478840299

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 787092480

約数和(自身を除く): 308252181

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 173, 399, 519, 931, 991, 1211, 2793, 2973, 3287, 3633, 6937, 8477, 9861, 18829, 20811, 23009, 25431, 48559, 56487, 69027, 131803, 145677, 161063, 171443, 395409, 483189, 514329, 922621, 1200101, 2767863, 3257417, 3600303, 8400707, 9772251, 22801919, 25202121, 68405757, 159613433, 478840299]

約数ペア:

[(1, 478840299), (3, 159613433), (7, 68405757), (19, 25202121), (21, 22801919), (49, 9772251), (57, 8400707), (133, 3600303), (147, 3257417), (173, 2767863), (399, 1200101), (519, 922621), (931, 514329), (991, 483189), (1211, 395409), (2793, 171443), (2973, 161063), (3287, 145677), (3633, 131803), (6937, 69027), (8477, 56487), (9861, 48559), (18829, 25431), (20811, 23009)]