17620911

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 32467968

約数和(自身を除く): 14847057

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 541, 693, 987, 1551, 1623, 2961, 3619, 3787, 4653, 4869, 5951, 10857, 11361, 17853, 25427, 32571, 34083, 41657, 53559, 76281, 124971, 177989, 228843, 279697, 374913, 533967, 839091, 1601901, 1957879, 2517273, 5873637, 17620911]

約数ペア:

[(1, 17620911), (3, 5873637), (7, 2517273), (9, 1957879), (11, 1601901), (21, 839091), (33, 533967), (47, 374913), (63, 279697), (77, 228843), (99, 177989), (141, 124971), (231, 76281), (329, 53559), (423, 41657), (517, 34083), (541, 32571), (693, 25427), (987, 17853), (1551, 11361), (1623, 10857), (2961, 5951), (3619, 4869), (3787, 4653)]