31786209

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 61447680

約数和(自身を除く): 29661471

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 761, 819, 1071, 1547, 1989, 2283, 2457, 3213, 4641, 5327, 5967, 6849, 9893, 12937, 13923, 15981, 20547, 29679, 38811, 41769, 47943, 69251, 89037, 90559, 116433, 143829, 168181, 207753, 267111, 271677, 349299, 504543, 623259, 815031, 1177267, 1513629, 1869777, 2445093, 3531801, 4540887, 10595403, 31786209]

約数ペア:

[(1, 31786209), (3, 10595403), (7, 4540887), (9, 3531801), (13, 2445093), (17, 1869777), (21, 1513629), (27, 1177267), (39, 815031), (51, 623259), (63, 504543), (91, 349299), (117, 271677), (119, 267111), (153, 207753), (189, 168181), (221, 143829), (273, 116433), (351, 90559), (357, 89037), (459, 69251), (663, 47943), (761, 41769), (819, 38811), (1071, 29679), (1547, 20547), (1989, 15981), (2283, 13923), (2457, 12937), (3213, 9893), (4641, 6849), (5327, 5967)]