31228365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 60788736

約数和(自身を除く): 29560371

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 67, 69, 105, 115, 161, 193, 201, 335, 345, 469, 483, 579, 805, 965, 1005, 1351, 1407, 1541, 2345, 2415, 2895, 4053, 4439, 4623, 6755, 7035, 7705, 10787, 12931, 13317, 20265, 22195, 23115, 31073, 32361, 38793, 53935, 64655, 66585, 90517, 93219, 155365, 161805, 193965, 271551, 297413, 452585, 466095, 892239, 1357755, 1487065, 2081891, 4461195, 6245673, 10409455, 31228365]

約数ペア:

[(1, 31228365), (3, 10409455), (5, 6245673), (7, 4461195), (15, 2081891), (21, 1487065), (23, 1357755), (35, 892239), (67, 466095), (69, 452585), (105, 297413), (115, 271551), (161, 193965), (193, 161805), (201, 155365), (335, 93219), (345, 90517), (469, 66585), (483, 64655), (579, 53935), (805, 38793), (965, 32361), (1005, 31073), (1351, 23115), (1407, 22195), (1541, 20265), (2345, 13317), (2415, 12931), (2895, 10787), (4053, 7705), (4439, 7035), (4623, 6755)]