187872015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{13901}}^1$

素因数の和:13979

約数の個数: 32

約数和(自身を含む): 324305856

約数和(自身を除く): 136433841

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 13901, 41703, 69505, 208515, 236317, 708951, 736753, 1181585, 2210259, 3544755, 3683765, 11051295, 12524801, 37574403, 62624005, 187872015]

約数ペア:

[(1, 187872015), (3, 62624005), (5, 37574403), (15, 12524801), (17, 11051295), (51, 3683765), (53, 3544755), (85, 2210259), (159, 1181585), (255, 736753), (265, 708951), (795, 236317), (901, 208515), (2703, 69505), (4505, 41703), (13515, 13901)]