388099995

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{811}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 633126144

約数和(自身を除く): 245026149

約数列:

[1, 3, 5, 15, 61, 183, 305, 523, 811, 915, 1569, 2433, 2615, 4055, 7845, 12165, 31903, 49471, 95709, 148413, 159515, 247355, 424153, 478545, 742065, 1272459, 2120765, 6362295, 25873333, 77619999, 129366665, 388099995]

約数ペア:

[(1, 388099995), (3, 129366665), (5, 77619999), (15, 25873333), (61, 6362295), (183, 2120765), (305, 1272459), (523, 742065), (811, 478545), (915, 424153), (1569, 247355), (2433, 159515), (2615, 148413), (4055, 95709), (7845, 49471), (12165, 31903)]