71219775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 129456000

約数和(自身を除く): 58236225

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 173, 275, 499, 519, 825, 865, 1497, 1903, 2495, 2595, 4325, 5489, 5709, 7485, 9515, 12475, 12975, 16467, 27445, 28545, 37425, 47575, 82335, 86327, 137225, 142725, 258981, 411675, 431635, 949597, 1294905, 2158175, 2848791, 4747985, 6474525, 14243955, 23739925, 71219775]

約数ペア:

[(1, 71219775), (3, 23739925), (5, 14243955), (11, 6474525), (15, 4747985), (25, 2848791), (33, 2158175), (55, 1294905), (75, 949597), (165, 431635), (173, 411675), (275, 258981), (499, 142725), (519, 137225), (825, 86327), (865, 82335), (1497, 47575), (1903, 37425), (2495, 28545), (2595, 27445), (4325, 16467), (5489, 12975), (5709, 12475), (7485, 9515)]