1275331475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 1791790080

約数和(自身を除く): 516458605

約数列:

[1, 5, 11, 25, 31, 55, 155, 211, 275, 341, 709, 775, 1055, 1705, 2321, 3545, 5275, 6541, 7799, 8525, 11605, 17725, 21979, 32705, 38995, 58025, 71951, 109895, 149599, 163525, 194975, 241769, 359755, 549475, 747995, 1208845, 1645589, 1798775, 3739975, 4637569, 6044225, 8227945, 23187845, 41139725, 51013259, 115939225, 255066295, 1275331475]

約数ペア:

[(1, 1275331475), (5, 255066295), (11, 115939225), (25, 51013259), (31, 41139725), (55, 23187845), (155, 8227945), (211, 6044225), (275, 4637569), (341, 3739975), (709, 1798775), (775, 1645589), (1055, 1208845), (1705, 747995), (2321, 549475), (3545, 359755), (5275, 241769), (6541, 194975), (7799, 163525), (8525, 149599), (11605, 109895), (17725, 71951), (21979, 58025), (32705, 38995)]