131223330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208291}}^1$

素因数の和:208311

約数の個数: 48

約数和(自身を含む): 389922624

約数和(自身を除く): 258699294

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208291, 416582, 624873, 1041455, 1249746, 1458037, 1874619, 2082910, 2916074, 3124365, 3749238, 4374111, 6248730, 7290185, 8748222, 9373095, 13122333, 14580370, 18746190, 21870555, 26244666, 43741110, 65611665, 131223330]

約数ペア:

[(1, 131223330), (2, 65611665), (3, 43741110), (5, 26244666), (6, 21870555), (7, 18746190), (9, 14580370), (10, 13122333), (14, 9373095), (15, 8748222), (18, 7290185), (21, 6248730), (30, 4374111), (35, 3749238), (42, 3124365), (45, 2916074), (63, 2082910), (70, 1874619), (90, 1458037), (105, 1249746), (126, 1041455), (210, 624873), (315, 416582), (630, 208291)]