201319209

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81937}}^1$

素因数の和:81966

約数の個数: 32

約数和(自身を含む): 367082240

約数和(自身を除く): 165763031

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 81937, 245811, 573559, 737433, 1065181, 1720677, 2212299, 3195543, 5162031, 7456267, 9586629, 15486093, 22368801, 28759887, 67106403, 201319209]

約数ペア:

[(1, 201319209), (3, 67106403), (7, 28759887), (9, 22368801), (13, 15486093), (21, 9586629), (27, 7456267), (39, 5162031), (63, 3195543), (91, 2212299), (117, 1720677), (189, 1065181), (273, 737433), (351, 573559), (819, 245811), (2457, 81937)]