12216945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 22708224

約数和(自身を除く): 10491279

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 47, 65, 93, 129, 141, 155, 195, 215, 235, 403, 465, 559, 611, 645, 705, 1209, 1333, 1457, 1677, 1833, 2015, 2021, 2795, 3055, 3999, 4371, 6045, 6063, 6665, 7285, 8385, 9165, 10105, 17329, 18941, 19995, 21855, 26273, 30315, 51987, 56823, 62651, 78819, 86645, 94705, 131365, 187953, 259935, 284115, 313255, 394095, 814463, 939765, 2443389, 4072315, 12216945]

約数ペア:

[(1, 12216945), (3, 4072315), (5, 2443389), (13, 939765), (15, 814463), (31, 394095), (39, 313255), (43, 284115), (47, 259935), (65, 187953), (93, 131365), (129, 94705), (141, 86645), (155, 78819), (195, 62651), (215, 56823), (235, 51987), (403, 30315), (465, 26273), (559, 21855), (611, 19995), (645, 18941), (705, 17329), (1209, 10105), (1333, 9165), (1457, 8385), (1677, 7285), (1833, 6665), (2015, 6063), (2021, 6045), (2795, 4371), (3055, 3999)]