989290425

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{31481}}^1$

素因数の和:31913

約数の個数: 24

約数和(自身を含む): 1639582560

約数和(自身を除く): 650292135

約数列:

[1, 3, 5, 15, 25, 75, 419, 1257, 2095, 6285, 10475, 31425, 31481, 94443, 157405, 472215, 787025, 2361075, 13190539, 39571617, 65952695, 197858085, 329763475, 989290425]

約数ペア:

[(1, 989290425), (3, 329763475), (5, 197858085), (15, 65952695), (25, 39571617), (75, 13190539), (419, 2361075), (1257, 787025), (2095, 472215), (6285, 157405), (10475, 94443), (31425, 31481)]