211047459

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 357548688

約数和(自身を除く): 146501229

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 97, 123, 133, 147, 287, 291, 361, 399, 679, 779, 861, 931, 1083, 1843, 2009, 2037, 2337, 2527, 2793, 3977, 4753, 5453, 5529, 6027, 7581, 11931, 12901, 14259, 14801, 16359, 17689, 27839, 35017, 38171, 38703, 44403, 53067, 75563, 83517, 90307, 103607, 105051, 114513, 194873, 226689, 245119, 270921, 310821, 528941, 584619, 725249, 735357, 1435697, 1586823, 1715833, 2175747, 3702587, 4307091, 5147499, 10049879, 11107761, 30149637, 70349153, 211047459]

約数ペア:

[(1, 211047459), (3, 70349153), (7, 30149637), (19, 11107761), (21, 10049879), (41, 5147499), (49, 4307091), (57, 3702587), (97, 2175747), (123, 1715833), (133, 1586823), (147, 1435697), (287, 735357), (291, 725249), (361, 584619), (399, 528941), (679, 310821), (779, 270921), (861, 245119), (931, 226689), (1083, 194873), (1843, 114513), (2009, 105051), (2037, 103607), (2337, 90307), (2527, 83517), (2793, 75563), (3977, 53067), (4753, 44403), (5453, 38703), (5529, 38171), (6027, 35017), (7581, 27839), (11931, 17689), (12901, 16359), (14259, 14801)]