61861995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 119952000

約数和(自身を除く): 58090005

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 101, 117, 135, 195, 303, 349, 351, 505, 585, 909, 1047, 1313, 1515, 1745, 1755, 2727, 3141, 3939, 4537, 4545, 5235, 6565, 9423, 11817, 13611, 13635, 15705, 19695, 22685, 35249, 35451, 40833, 47115, 59085, 68055, 105747, 122499, 176245, 177255, 204165, 317241, 458237, 528735, 612495, 951723, 1374711, 1586205, 2291185, 4124133, 4758615, 6873555, 12372399, 20620665, 61861995]

約数ペア:

[(1, 61861995), (3, 20620665), (5, 12372399), (9, 6873555), (13, 4758615), (15, 4124133), (27, 2291185), (39, 1586205), (45, 1374711), (65, 951723), (101, 612495), (117, 528735), (135, 458237), (195, 317241), (303, 204165), (349, 177255), (351, 176245), (505, 122499), (585, 105747), (909, 68055), (1047, 59085), (1313, 47115), (1515, 40833), (1745, 35451), (1755, 35249), (2727, 22685), (3141, 19695), (3939, 15705), (4537, 13635), (4545, 13611), (5235, 11817), (6565, 9423)]