42813813

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 66908160

約数和(自身を除く): 24094347

約数列:

[1, 3, 7, 21, 79, 131, 197, 237, 393, 553, 591, 917, 1379, 1659, 2751, 4137, 10349, 15563, 25807, 31047, 46689, 72443, 77421, 108941, 180649, 217329, 326823, 541947, 2038753, 6116259, 14271271, 42813813]

約数ペア:

[(1, 42813813), (3, 14271271), (7, 6116259), (21, 2038753), (79, 541947), (131, 326823), (197, 217329), (237, 180649), (393, 108941), (553, 77421), (591, 72443), (917, 46689), (1379, 31047), (1659, 25807), (2751, 15563), (4137, 10349)]