81461970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301711}}^1$

素因数の和:301727

約数の個数: 32

約数和(自身を含む): 217232640

約数和(自身を除く): 135770670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301711, 603422, 905133, 1508555, 1810266, 2715399, 3017110, 4525665, 5430798, 8146197, 9051330, 13576995, 16292394, 27153990, 40730985, 81461970]

約数ペア:

[(1, 81461970), (2, 40730985), (3, 27153990), (5, 16292394), (6, 13576995), (9, 9051330), (10, 8146197), (15, 5430798), (18, 4525665), (27, 3017110), (30, 2715399), (45, 1810266), (54, 1508555), (90, 905133), (135, 603422), (270, 301711)]