19850913

素因数分解:

$3^5\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 29987776

約数和(自身を除く): 10136863

約数列:

[1, 3, 9, 27, 81, 151, 243, 453, 541, 1359, 1623, 4077, 4869, 12231, 14607, 36693, 43821, 81691, 131463, 245073, 735219, 2205657, 6616971, 19850913]

約数ペア:

[(1, 19850913), (3, 6616971), (9, 2205657), (27, 735219), (81, 245073), (151, 131463), (243, 81691), (453, 43821), (541, 36693), (1359, 14607), (1623, 12231), (4077, 4869)]