199974411

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 381588480

約数和(自身を除く): 181614069

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 71, 91, 117, 133, 171, 181, 213, 247, 273, 399, 497, 543, 639, 741, 819, 923, 1197, 1267, 1349, 1491, 1629, 1729, 2223, 2353, 2769, 3439, 3801, 4047, 4473, 5187, 6461, 7059, 8307, 9443, 10317, 11403, 12141, 12851, 15561, 16471, 17537, 19383, 21177, 24073, 28329, 30951, 38553, 44707, 49413, 52611, 58149, 72219, 84987, 89957, 115659, 122759, 134121, 148239, 157833, 167063, 216657, 244169, 269871, 312949, 368277, 402363, 501189, 732507, 809613, 938847, 1104831, 1169441, 1503567, 1709183, 2197521, 2816541, 3174197, 3508323, 5127549, 9522591, 10524969, 15382647, 22219379, 28567773, 66658137, 199974411]

約数ペア:

[(1, 199974411), (3, 66658137), (7, 28567773), (9, 22219379), (13, 15382647), (19, 10524969), (21, 9522591), (39, 5127549), (57, 3508323), (63, 3174197), (71, 2816541), (91, 2197521), (117, 1709183), (133, 1503567), (171, 1169441), (181, 1104831), (213, 938847), (247, 809613), (273, 732507), (399, 501189), (497, 402363), (543, 368277), (639, 312949), (741, 269871), (819, 244169), (923, 216657), (1197, 167063), (1267, 157833), (1349, 148239), (1491, 134121), (1629, 122759), (1729, 115659), (2223, 89957), (2353, 84987), (2769, 72219), (3439, 58149), (3801, 52611), (4047, 49413), (4473, 44707), (5187, 38553), (6461, 30951), (7059, 28329), (8307, 24073), (9443, 21177), (10317, 19383), (11403, 17537), (12141, 16471), (12851, 15561)]