228802815

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 407586816

約数和(自身を除く): 178784001

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 251, 423, 431, 705, 753, 1255, 1293, 2115, 2155, 2259, 3765, 3879, 6465, 11295, 11797, 19395, 20257, 35391, 58985, 60771, 101285, 106173, 108181, 176955, 182313, 303855, 324543, 530865, 540905, 911565, 973629, 1622715, 4868145, 5084507, 15253521, 25422535, 45760563, 76267605, 228802815]

約数ペア:

[(1, 228802815), (3, 76267605), (5, 45760563), (9, 25422535), (15, 15253521), (45, 5084507), (47, 4868145), (141, 1622715), (235, 973629), (251, 911565), (423, 540905), (431, 530865), (705, 324543), (753, 303855), (1255, 182313), (1293, 176955), (2115, 108181), (2155, 106173), (2259, 101285), (3765, 60771), (3879, 58985), (6465, 35391), (11295, 20257), (11797, 19395)]