380677521

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{19471}}^1$

素因数の和:19514

約数の個数: 32

約数和(自身を含む): 623104000

約数和(自身を除く): 242426479

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 19471, 19551, 58413, 136297, 369949, 408891, 954079, 1109847, 2589643, 2862237, 6678553, 7768929, 18127501, 20035659, 54382503, 126892507, 380677521]

約数ペア:

[(1, 380677521), (3, 126892507), (7, 54382503), (19, 20035659), (21, 18127501), (49, 7768929), (57, 6678553), (133, 2862237), (147, 2589643), (343, 1109847), (399, 954079), (931, 408891), (1029, 369949), (2793, 136297), (6517, 58413), (19471, 19551)]