290687631

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 458304000

約数和(自身を除く): 167616369

約数列:

[1, 3, 13, 19, 39, 57, 59, 61, 109, 177, 183, 247, 327, 741, 767, 793, 1121, 1159, 1417, 2071, 2301, 2379, 3363, 3477, 3599, 4251, 6213, 6431, 6649, 10797, 14573, 15067, 19293, 19947, 26923, 43719, 45201, 46787, 68381, 80769, 83603, 86437, 122189, 126331, 140361, 205143, 250809, 259311, 366567, 378993, 392291, 888953, 1176873, 1588457, 1642303, 2666859, 4765371, 4926909, 5099783, 7453529, 15299349, 22360587, 96895877, 290687631]

約数ペア:

[(1, 290687631), (3, 96895877), (13, 22360587), (19, 15299349), (39, 7453529), (57, 5099783), (59, 4926909), (61, 4765371), (109, 2666859), (177, 1642303), (183, 1588457), (247, 1176873), (327, 888953), (741, 392291), (767, 378993), (793, 366567), (1121, 259311), (1159, 250809), (1417, 205143), (2071, 140361), (2301, 126331), (2379, 122189), (3363, 86437), (3477, 83603), (3599, 80769), (4251, 68381), (6213, 46787), (6431, 45201), (6649, 43719), (10797, 26923), (14573, 19947), (15067, 19293)]