71742405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 139419648

約数和(自身を除く): 67677243

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 61, 69, 105, 115, 161, 183, 305, 345, 427, 483, 487, 805, 915, 1281, 1403, 1461, 2135, 2415, 2435, 3409, 4209, 6405, 7015, 7305, 9821, 10227, 11201, 17045, 21045, 29463, 29707, 33603, 49105, 51135, 56005, 78407, 89121, 147315, 148535, 168015, 207949, 235221, 392035, 445605, 623847, 683261, 1039745, 1176105, 2049783, 3119235, 3416305, 4782827, 10248915, 14348481, 23914135, 71742405]

約数ペア:

[(1, 71742405), (3, 23914135), (5, 14348481), (7, 10248915), (15, 4782827), (21, 3416305), (23, 3119235), (35, 2049783), (61, 1176105), (69, 1039745), (105, 683261), (115, 623847), (161, 445605), (183, 392035), (305, 235221), (345, 207949), (427, 168015), (483, 148535), (487, 147315), (805, 89121), (915, 78407), (1281, 56005), (1403, 51135), (1461, 49105), (2135, 33603), (2415, 29707), (2435, 29463), (3409, 21045), (4209, 17045), (6405, 11201), (7015, 10227), (7305, 9821)]