215512185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 414056448

約数和(自身を除く): 198544263

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 233, 345, 383, 483, 699, 805, 1149, 1165, 1631, 1915, 2415, 2681, 3495, 4893, 5359, 5745, 8043, 8155, 8809, 13405, 16077, 24465, 26427, 26795, 37513, 40215, 44045, 61663, 80385, 89239, 112539, 132135, 184989, 187565, 267717, 308315, 446195, 562695, 624673, 924945, 1338585, 1874019, 2052497, 3123365, 6157491, 9370095, 10262485, 14367479, 30787455, 43102437, 71837395, 215512185]

約数ペア:

[(1, 215512185), (3, 71837395), (5, 43102437), (7, 30787455), (15, 14367479), (21, 10262485), (23, 9370095), (35, 6157491), (69, 3123365), (105, 2052497), (115, 1874019), (161, 1338585), (233, 924945), (345, 624673), (383, 562695), (483, 446195), (699, 308315), (805, 267717), (1149, 187565), (1165, 184989), (1631, 132135), (1915, 112539), (2415, 89239), (2681, 80385), (3495, 61663), (4893, 44045), (5359, 40215), (5745, 37513), (8043, 26795), (8155, 26427), (8809, 24465), (13405, 16077)]