205122879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1741}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 342407520

約数和(自身を除く): 137284641

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 247, 477, 689, 741, 1007, 1741, 2067, 2223, 3021, 5223, 6201, 9063, 13091, 15669, 22633, 33079, 39273, 67899, 92273, 99237, 117819, 203697, 276819, 297711, 430027, 830457, 1199549, 1290081, 1753187, 3598647, 3870243, 5259561, 10795941, 15778683, 22791431, 68374293, 205122879]

約数ペア:

[(1, 205122879), (3, 68374293), (9, 22791431), (13, 15778683), (19, 10795941), (39, 5259561), (53, 3870243), (57, 3598647), (117, 1753187), (159, 1290081), (171, 1199549), (247, 830457), (477, 430027), (689, 297711), (741, 276819), (1007, 203697), (1741, 117819), (2067, 99237), (2223, 92273), (3021, 67899), (5223, 39273), (6201, 33079), (9063, 22633), (13091, 15669)]