71220681

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2711}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 121497600

約数和(自身を除く): 50276919

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2711, 2919, 3753, 8133, 8757, 18977, 24399, 26271, 56931, 73197, 170793, 376829, 512379, 1130487, 2637803, 3391461, 7913409, 10174383, 23740227, 71220681]

約数ペア:

[(1, 71220681), (3, 23740227), (7, 10174383), (9, 7913409), (21, 3391461), (27, 2637803), (63, 1130487), (139, 512379), (189, 376829), (417, 170793), (973, 73197), (1251, 56931), (2711, 26271), (2919, 24399), (3753, 18977), (8133, 8757)]