1620021519

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{8243}}^1$

素因数の和:8532

約数の個数: 32

約数和(自身を含む): 2492985600

約数和(自身を除く): 872964081

約数列:

[1, 3, 9, 27, 29, 87, 251, 261, 753, 783, 2259, 6777, 7279, 8243, 21837, 24729, 65511, 74187, 196533, 222561, 239047, 717141, 2068993, 2151423, 6206979, 6454269, 18620937, 55862811, 60000797, 180002391, 540007173, 1620021519]

約数ペア:

[(1, 1620021519), (3, 540007173), (9, 180002391), (27, 60000797), (29, 55862811), (87, 18620937), (251, 6454269), (261, 6206979), (753, 2151423), (783, 2068993), (2259, 717141), (6777, 239047), (7279, 222561), (8243, 196533), (21837, 74187), (24729, 65511)]