18058257

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 31363072

約数和(自身を除く): 13304815

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 127, 183, 259, 333, 381, 427, 549, 777, 889, 1143, 1281, 2257, 2331, 2667, 3843, 4699, 6771, 7747, 8001, 14097, 15799, 20313, 23241, 32893, 42291, 47397, 54229, 69723, 98679, 142191, 162687, 286639, 296037, 488061, 859917, 2006473, 2579751, 6019419, 18058257]

約数ペア:

[(1, 18058257), (3, 6019419), (7, 2579751), (9, 2006473), (21, 859917), (37, 488061), (61, 296037), (63, 286639), (111, 162687), (127, 142191), (183, 98679), (259, 69723), (333, 54229), (381, 47397), (427, 42291), (549, 32893), (777, 23241), (889, 20313), (1143, 15799), (1281, 14097), (2257, 8001), (2331, 7747), (2667, 6771), (3843, 4699)]