67654545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 127552320

約数和(自身を除く): 59897775

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 83, 105, 147, 245, 249, 415, 581, 735, 1109, 1245, 1743, 2905, 3327, 4067, 5545, 7763, 8715, 12201, 16635, 20335, 23289, 38815, 54341, 61005, 92047, 116445, 163023, 271705, 276141, 460235, 644329, 815115, 1380705, 1932987, 3221645, 4510303, 9664935, 13530909, 22551515, 67654545]

約数ペア:

[(1, 67654545), (3, 22551515), (5, 13530909), (7, 9664935), (15, 4510303), (21, 3221645), (35, 1932987), (49, 1380705), (83, 815115), (105, 644329), (147, 460235), (245, 276141), (249, 271705), (415, 163023), (581, 116445), (735, 92047), (1109, 61005), (1245, 54341), (1743, 38815), (2905, 23289), (3327, 20335), (4067, 16635), (5545, 12201), (7763, 8715)]