420904965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{16477}}^1$

素因数の和:16629

約数の個数: 32

約数和(自身を含む): 730832256

約数和(自身を除く): 309927291

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 8515, 16477, 25545, 49431, 82385, 214201, 247155, 642603, 1071005, 2158487, 3213015, 6475461, 10792435, 28060331, 32377305, 84180993, 140301655, 420904965]

約数ペア:

[(1, 420904965), (3, 140301655), (5, 84180993), (13, 32377305), (15, 28060331), (39, 10792435), (65, 6475461), (131, 3213015), (195, 2158487), (393, 1071005), (655, 642603), (1703, 247155), (1965, 214201), (5109, 82385), (8515, 49431), (16477, 25545)]