27908685

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4219}}^1$

素因数の和:4247

約数の個数: 48

約数和(自身を含む): 57729600

約数和(自身を除く): 29820915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4219, 6615, 12657, 21095, 29533, 37971, 63285, 88599, 113913, 147665, 189855, 206731, 265797, 442995, 569565, 620193, 797391, 1033655, 1328985, 1860579, 3100965, 3986955, 5581737, 9302895, 27908685]

約数ペア:

[(1, 27908685), (3, 9302895), (5, 5581737), (7, 3986955), (9, 3100965), (15, 1860579), (21, 1328985), (27, 1033655), (35, 797391), (45, 620193), (49, 569565), (63, 442995), (105, 265797), (135, 206731), (147, 189855), (189, 147665), (245, 113913), (315, 88599), (441, 63285), (735, 37971), (945, 29533), (1323, 21095), (2205, 12657), (4219, 6615)]