1293255

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 2321280

約数和(自身を除く): 1028025

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 991, 1305, 2973, 4955, 8919, 14865, 28739, 44595, 86217, 143695, 258651, 431085, 1293255]

約数ペア:

[(1, 1293255), (3, 431085), (5, 258651), (9, 143695), (15, 86217), (29, 44595), (45, 28739), (87, 14865), (145, 8919), (261, 4955), (435, 2973), (991, 1305)]