71026389

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 60

約数和(自身を含む): 128345184

約数和(自身を除く): 57318795

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 347, 361, 399, 513, 567, 1041, 1083, 1197, 1539, 2429, 2527, 3123, 3249, 3591, 6593, 7287, 7581, 9369, 9747, 10773, 19779, 21861, 22743, 28107, 29241, 46151, 59337, 65583, 68229, 125267, 138453, 178011, 196749, 204687, 375801, 415359, 534033, 876869, 1127403, 1246077, 2630607, 3382209, 3738231, 7891821, 10146627, 23675463, 71026389]

約数ペア:

[(1, 71026389), (3, 23675463), (7, 10146627), (9, 7891821), (19, 3738231), (21, 3382209), (27, 2630607), (57, 1246077), (63, 1127403), (81, 876869), (133, 534033), (171, 415359), (189, 375801), (347, 204687), (361, 196749), (399, 178011), (513, 138453), (567, 125267), (1041, 68229), (1083, 65583), (1197, 59337), (1539, 46151), (2429, 29241), (2527, 28107), (3123, 22743), (3249, 21861), (3591, 19779), (6593, 10773), (7287, 9747), (7581, 9369)]