331300809

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 589006080

約数和(自身を除く): 257705271

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 89, 147, 161, 207, 267, 367, 441, 483, 623, 801, 1101, 1127, 1449, 1869, 2047, 2569, 3303, 3381, 4361, 5607, 6141, 7707, 8441, 10143, 13083, 14329, 17983, 18423, 23121, 25323, 32663, 39249, 42987, 53949, 59087, 75969, 97989, 100303, 128961, 161847, 177261, 228641, 293967, 300909, 413609, 531783, 685923, 751249, 902727, 1240827, 1600487, 2057769, 2253747, 3722481, 4801461, 5258743, 6761241, 14404383, 15776229, 36811201, 47328687, 110433603, 331300809]

約数ペア:

[(1, 331300809), (3, 110433603), (7, 47328687), (9, 36811201), (21, 15776229), (23, 14404383), (49, 6761241), (63, 5258743), (69, 4801461), (89, 3722481), (147, 2253747), (161, 2057769), (207, 1600487), (267, 1240827), (367, 902727), (441, 751249), (483, 685923), (623, 531783), (801, 413609), (1101, 300909), (1127, 293967), (1449, 228641), (1869, 177261), (2047, 161847), (2569, 128961), (3303, 100303), (3381, 97989), (4361, 75969), (5607, 59087), (6141, 53949), (7707, 42987), (8441, 39249), (10143, 32663), (13083, 25323), (14329, 23121), (17983, 18423)]