27458895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 22307505

約数列:

[1, 3, 5, 15, 19, 23, 57, 59, 69, 71, 95, 115, 177, 213, 285, 295, 345, 355, 437, 885, 1065, 1121, 1311, 1349, 1357, 1633, 2185, 3363, 4047, 4071, 4189, 4899, 5605, 6555, 6745, 6785, 8165, 12567, 16815, 20235, 20355, 20945, 24495, 25783, 31027, 62835, 77349, 79591, 93081, 96347, 128915, 155135, 238773, 289041, 386745, 397955, 465405, 481735, 1193865, 1445205, 1830593, 5491779, 9152965, 27458895]

約数ペア:

[(1, 27458895), (3, 9152965), (5, 5491779), (15, 1830593), (19, 1445205), (23, 1193865), (57, 481735), (59, 465405), (69, 397955), (71, 386745), (95, 289041), (115, 238773), (177, 155135), (213, 128915), (285, 96347), (295, 93081), (345, 79591), (355, 77349), (437, 62835), (885, 31027), (1065, 25783), (1121, 24495), (1311, 20945), (1349, 20355), (1357, 20235), (1633, 16815), (2185, 12567), (3363, 8165), (4047, 6785), (4071, 6745), (4189, 6555), (4899, 5605)]