253446945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{887}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 416351232

約数和(自身を除く): 162904287

約数列:

[1, 3, 5, 15, 43, 129, 215, 443, 645, 887, 1329, 2215, 2661, 4435, 6645, 13305, 19049, 38141, 57147, 95245, 114423, 190705, 285735, 392941, 572115, 1178823, 1964705, 5894115, 16896463, 50689389, 84482315, 253446945]

約数ペア:

[(1, 253446945), (3, 84482315), (5, 50689389), (15, 16896463), (43, 5894115), (129, 1964705), (215, 1178823), (443, 572115), (645, 392941), (887, 285735), (1329, 190705), (2215, 114423), (2661, 95245), (4435, 57147), (6645, 38141), (13305, 19049)]