71489655

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3061}}^1$

素因数の和:3248

約数の個数: 32

約数和(自身を含む): 127869120

約数和(自身を除く): 56379465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 865, 1557, 2595, 3061, 4671, 7785, 9183, 15305, 23355, 27549, 45915, 82647, 137745, 413235, 529553, 1588659, 2647765, 4765977, 7943295, 14297931, 23829885, 71489655]

約数ペア:

[(1, 71489655), (3, 23829885), (5, 14297931), (9, 7943295), (15, 4765977), (27, 2647765), (45, 1588659), (135, 529553), (173, 413235), (519, 137745), (865, 82647), (1557, 45915), (2595, 27549), (3061, 23355), (4671, 15305), (7785, 9183)]