40215771

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 60662784

約数和(自身を除く): 20447013

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 991, 1503, 2973, 4509, 8919, 13527, 26757, 40581, 80271, 165497, 240813, 496491, 1489473, 4468419, 13405257, 40215771]

約数ペア:

[(1, 40215771), (3, 13405257), (9, 4468419), (27, 1489473), (81, 496491), (167, 240813), (243, 165497), (501, 80271), (991, 40581), (1503, 26757), (2973, 13527), (4509, 8919)]