388803213

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 607920000

約数和(自身を除く): 219116787

約数列:

[1, 3, 9, 19, 27, 57, 171, 509, 513, 1489, 1527, 4467, 4581, 9671, 13401, 13743, 28291, 29013, 40203, 84873, 87039, 254619, 261117, 757901, 763857, 2273703, 6821109, 14400119, 20463327, 43200357, 129601071, 388803213]

約数ペア:

[(1, 388803213), (3, 129601071), (9, 43200357), (19, 20463327), (27, 14400119), (57, 6821109), (171, 2273703), (509, 763857), (513, 757901), (1489, 261117), (1527, 254619), (4467, 87039), (4581, 84873), (9671, 40203), (13401, 29013), (13743, 28291)]