2021055975

素因数分解:

$3^3\times 5^2\times {\mathrm{431}}^1\times {\mathrm{6947}}^1$

素因数の和:7397

約数の個数: 48

約数和(自身を含む): 3721904640

約数和(自身を除く): 1700848665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 431, 675, 1293, 2155, 3879, 6465, 6947, 10775, 11637, 19395, 20841, 32325, 34735, 58185, 62523, 96975, 104205, 173675, 187569, 290925, 312615, 521025, 937845, 1563075, 2994157, 4689225, 8982471, 14970785, 26947413, 44912355, 74853925, 80842239, 134737065, 224561775, 404211195, 673685325, 2021055975]

約数ペア:

[(1, 2021055975), (3, 673685325), (5, 404211195), (9, 224561775), (15, 134737065), (25, 80842239), (27, 74853925), (45, 44912355), (75, 26947413), (135, 14970785), (225, 8982471), (431, 4689225), (675, 2994157), (1293, 1563075), (2155, 937845), (3879, 521025), (6465, 312615), (6947, 290925), (10775, 187569), (11637, 173675), (19395, 104205), (20841, 96975), (32325, 62523), (34735, 58185)]