378942015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{3943}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 624729600

約数和(自身を除く): 245787585

約数列:

[1, 3, 5, 15, 43, 129, 149, 215, 447, 645, 745, 2235, 3943, 6407, 11829, 19221, 19715, 32035, 59145, 96105, 169549, 508647, 587507, 847745, 1762521, 2543235, 2937535, 8812605, 25262801, 75788403, 126314005, 378942015]

約数ペア:

[(1, 378942015), (3, 126314005), (5, 75788403), (15, 25262801), (43, 8812605), (129, 2937535), (149, 2543235), (215, 1762521), (447, 847745), (645, 587507), (745, 508647), (2235, 169549), (3943, 96105), (6407, 59145), (11829, 32035), (19221, 19715)]