245495523

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 442423296

約数和(自身を除く): 196927773

約数列:

[1, 3, 7, 13, 19, 21, 39, 47, 53, 57, 91, 133, 141, 159, 247, 273, 329, 361, 371, 399, 611, 689, 741, 893, 987, 1007, 1083, 1113, 1729, 1833, 2067, 2491, 2527, 2679, 3021, 4277, 4693, 4823, 5187, 6251, 7049, 7473, 7581, 11609, 12831, 13091, 14079, 14469, 16967, 17437, 18753, 19133, 21147, 32383, 32851, 34827, 39273, 47329, 50901, 52311, 57399, 81263, 91637, 97149, 98553, 118769, 133931, 141987, 220571, 226681, 243789, 248729, 274911, 331303, 356307, 401793, 615277, 661713, 680043, 746187, 899251, 993909, 1543997, 1741103, 1845831, 2697753, 4306939, 4631991, 5223309, 6294757, 11690263, 12920817, 18884271, 35070789, 81831841, 245495523]

約数ペア:

[(1, 245495523), (3, 81831841), (7, 35070789), (13, 18884271), (19, 12920817), (21, 11690263), (39, 6294757), (47, 5223309), (53, 4631991), (57, 4306939), (91, 2697753), (133, 1845831), (141, 1741103), (159, 1543997), (247, 993909), (273, 899251), (329, 746187), (361, 680043), (371, 661713), (399, 615277), (611, 401793), (689, 356307), (741, 331303), (893, 274911), (987, 248729), (1007, 243789), (1083, 226681), (1113, 220571), (1729, 141987), (1833, 133931), (2067, 118769), (2491, 98553), (2527, 97149), (2679, 91637), (3021, 81263), (4277, 57399), (4693, 52311), (4823, 50901), (5187, 47329), (6251, 39273), (7049, 34827), (7473, 32851), (7581, 32383), (11609, 21147), (12831, 19133), (13091, 18753), (14079, 17437), (14469, 16967)]