201556161

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1187}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 315532800

約数和(自身を除く): 113976639

約数列:

[1, 3, 9, 19, 27, 57, 171, 331, 513, 993, 1187, 2979, 3561, 6289, 8937, 10683, 18867, 22553, 32049, 56601, 67659, 169803, 202977, 392897, 608931, 1178691, 3536073, 7465043, 10608219, 22395129, 67185387, 201556161]

約数ペア:

[(1, 201556161), (3, 67185387), (9, 22395129), (19, 10608219), (27, 7465043), (57, 3536073), (171, 1178691), (331, 608931), (513, 392897), (993, 202977), (1187, 169803), (2979, 67659), (3561, 56601), (6289, 32049), (8937, 22553), (10683, 18867)]