427291215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 761080320

約数和(自身を除く): 333789105

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 131, 195, 215, 389, 393, 559, 645, 655, 1167, 1677, 1703, 1945, 1965, 2795, 5057, 5109, 5633, 5835, 8385, 8515, 15171, 16727, 16899, 25285, 25545, 28165, 50181, 50959, 73229, 75855, 83635, 84495, 152877, 217451, 219687, 250905, 254795, 366145, 652353, 662467, 764385, 1087255, 1098435, 1987401, 2191237, 3261765, 3312335, 6573711, 9937005, 10956185, 28486081, 32868555, 85458243, 142430405, 427291215]

約数ペア:

[(1, 427291215), (3, 142430405), (5, 85458243), (13, 32868555), (15, 28486081), (39, 10956185), (43, 9937005), (65, 6573711), (129, 3312335), (131, 3261765), (195, 2191237), (215, 1987401), (389, 1098435), (393, 1087255), (559, 764385), (645, 662467), (655, 652353), (1167, 366145), (1677, 254795), (1703, 250905), (1945, 219687), (1965, 217451), (2795, 152877), (5057, 84495), (5109, 83635), (5633, 75855), (5835, 73229), (8385, 50959), (8515, 50181), (15171, 28165), (16727, 25545), (16899, 25285)]