278117541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 454726272

約数和(自身を除く): 176608731

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 181, 207, 299, 543, 571, 897, 1629, 1713, 2353, 2691, 4163, 5139, 7059, 7423, 12489, 13133, 21177, 22269, 37467, 39399, 54119, 66807, 103351, 118197, 162357, 170729, 310053, 487071, 512187, 930159, 1343563, 1536561, 2377073, 4030689, 7131219, 12092067, 21393657, 30901949, 92705847, 278117541]

約数ペア:

[(1, 278117541), (3, 92705847), (9, 30901949), (13, 21393657), (23, 12092067), (39, 7131219), (69, 4030689), (117, 2377073), (181, 1536561), (207, 1343563), (299, 930159), (543, 512187), (571, 487071), (897, 310053), (1629, 170729), (1713, 162357), (2353, 118197), (2691, 103351), (4163, 66807), (5139, 54119), (7059, 39399), (7423, 37467), (12489, 22269), (13133, 21177)]