31506435

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 28167165

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 73, 115, 135, 139, 207, 219, 345, 365, 417, 621, 657, 695, 1035, 1095, 1251, 1679, 1971, 2085, 3105, 3197, 3285, 3753, 5037, 6255, 8395, 9591, 9855, 10147, 15111, 15985, 18765, 25185, 28773, 30441, 45333, 47955, 50735, 75555, 86319, 91323, 143865, 152205, 226665, 233381, 273969, 431595, 456615, 700143, 1166905, 1369845, 2100429, 3500715, 6301287, 10502145, 31506435]

約数ペア:

[(1, 31506435), (3, 10502145), (5, 6301287), (9, 3500715), (15, 2100429), (23, 1369845), (27, 1166905), (45, 700143), (69, 456615), (73, 431595), (115, 273969), (135, 233381), (139, 226665), (207, 152205), (219, 143865), (345, 91323), (365, 86319), (417, 75555), (621, 50735), (657, 47955), (695, 45333), (1035, 30441), (1095, 28773), (1251, 25185), (1679, 18765), (1971, 15985), (2085, 15111), (3105, 10147), (3197, 9855), (3285, 9591), (3753, 8395), (5037, 6255)]