30728403

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{1087}}^1$

素因数の和:1448

約数の個数: 20

約数和(自身を含む): 46076800

約数和(自身を除く): 15348397

約数列:

[1, 3, 9, 27, 81, 349, 1047, 1087, 3141, 3261, 9423, 9783, 28269, 29349, 88047, 379363, 1138089, 3414267, 10242801, 30728403]

約数ペア:

[(1, 30728403), (3, 10242801), (9, 3414267), (27, 1138089), (81, 379363), (349, 88047), (1047, 29349), (1087, 28269), (3141, 9783), (3261, 9423)]