509304747

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 846397440

約数和(自身を除く): 337092693

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 163, 191, 287, 399, 489, 573, 779, 861, 1141, 1337, 2337, 3097, 3423, 3629, 4011, 5453, 6683, 7831, 9291, 10887, 16359, 20049, 21679, 23493, 25403, 31133, 46781, 54817, 65037, 76209, 93399, 126977, 140343, 148789, 164451, 217931, 380931, 446367, 591527, 653793, 888839, 1041523, 1276453, 1774581, 2666517, 3124569, 3829359, 4140689, 8935171, 12422067, 24252607, 26805513, 72757821, 169768249, 509304747]

約数ペア:

[(1, 509304747), (3, 169768249), (7, 72757821), (19, 26805513), (21, 24252607), (41, 12422067), (57, 8935171), (123, 4140689), (133, 3829359), (163, 3124569), (191, 2666517), (287, 1774581), (399, 1276453), (489, 1041523), (573, 888839), (779, 653793), (861, 591527), (1141, 446367), (1337, 380931), (2337, 217931), (3097, 164451), (3423, 148789), (3629, 140343), (4011, 126977), (5453, 93399), (6683, 76209), (7831, 65037), (9291, 54817), (10887, 46781), (16359, 31133), (20049, 25403), (21679, 23493)]