197072019

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 288522000

約数和(自身を除く): 91449981

約数列:

[1, 3, 9, 149, 179, 447, 537, 821, 1341, 1611, 2463, 7389, 26671, 80013, 122329, 146959, 240039, 366987, 440877, 1100961, 1322631, 21896891, 65690673, 197072019]

約数ペア:

[(1, 197072019), (3, 65690673), (9, 21896891), (149, 1322631), (179, 1100961), (447, 440877), (537, 366987), (821, 240039), (1341, 146959), (1611, 122329), (2463, 80013), (7389, 26671)]