216803685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{743}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 405081216

約数和(自身を除く): 188277531

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 397, 735, 743, 1191, 1985, 2229, 2779, 3715, 5201, 5955, 8337, 11145, 13895, 15603, 19453, 26005, 36407, 41685, 58359, 78015, 97265, 109221, 182035, 291795, 294971, 546105, 884913, 1474855, 2064797, 4424565, 6194391, 10323985, 14453579, 30971955, 43360737, 72267895, 216803685]

約数ペア:

[(1, 216803685), (3, 72267895), (5, 43360737), (7, 30971955), (15, 14453579), (21, 10323985), (35, 6194391), (49, 4424565), (105, 2064797), (147, 1474855), (245, 884913), (397, 546105), (735, 294971), (743, 291795), (1191, 182035), (1985, 109221), (2229, 97265), (2779, 78015), (3715, 58359), (5201, 41685), (5955, 36407), (8337, 26005), (11145, 19453), (13895, 15603)]