521124597

素因数分解:

$3^4\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1237}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 891597696

約数和(自身を除く): 370473099

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 743, 1237, 2229, 3711, 5201, 6687, 8659, 11133, 15603, 20061, 25977, 33399, 46809, 60183, 77931, 100197, 140427, 233793, 421281, 701379, 919091, 2757273, 6433637, 8271819, 19300911, 24815457, 57902733, 74446371, 173708199, 521124597]

約数ペア:

[(1, 521124597), (3, 173708199), (7, 74446371), (9, 57902733), (21, 24815457), (27, 19300911), (63, 8271819), (81, 6433637), (189, 2757273), (567, 919091), (743, 701379), (1237, 421281), (2229, 233793), (3711, 140427), (5201, 100197), (6687, 77931), (8659, 60183), (11133, 46809), (15603, 33399), (20061, 25977)]