87148929

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 135843840

約数和(自身を除く): 48694911

約数列:

[1, 3, 7, 21, 79, 131, 237, 393, 401, 553, 917, 1203, 1659, 2751, 2807, 8421, 10349, 31047, 31679, 52531, 72443, 95037, 157593, 217329, 221753, 367717, 665259, 1103151, 4149949, 12449847, 29049643, 87148929]

約数ペア:

[(1, 87148929), (3, 29049643), (7, 12449847), (21, 4149949), (79, 1103151), (131, 665259), (237, 367717), (393, 221753), (401, 217329), (553, 157593), (917, 95037), (1203, 72443), (1659, 52531), (2751, 31679), (2807, 31047), (8421, 10349)]