808210821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 1280987136

約数和(自身を除く): 472776315

約数列:

[1, 3, 11, 17, 33, 51, 71, 103, 187, 197, 213, 309, 561, 591, 781, 1133, 1207, 1751, 2167, 2343, 3349, 3399, 3621, 5253, 6501, 7313, 10047, 13277, 13987, 19261, 20291, 21939, 36839, 39831, 41961, 57783, 60873, 80443, 110517, 124321, 153857, 223201, 237779, 241329, 344947, 372963, 461571, 669603, 713337, 1034841, 1367531, 1440661, 2615569, 3794417, 4102593, 4321983, 7846707, 11383251, 15847271, 24491237, 47541813, 73473711, 269403607, 808210821]

約数ペア:

[(1, 808210821), (3, 269403607), (11, 73473711), (17, 47541813), (33, 24491237), (51, 15847271), (71, 11383251), (103, 7846707), (187, 4321983), (197, 4102593), (213, 3794417), (309, 2615569), (561, 1440661), (591, 1367531), (781, 1034841), (1133, 713337), (1207, 669603), (1751, 461571), (2167, 372963), (2343, 344947), (3349, 241329), (3399, 237779), (3621, 223201), (5253, 153857), (6501, 124321), (7313, 110517), (10047, 80443), (13277, 60873), (13987, 57783), (19261, 41961), (20291, 39831), (21939, 36839)]