218883315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15913}}^1$

素因数の和:16059

約数の個数: 32

約数和(自身を含む): 403324416

約数和(自身を除く): 184441101

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 13755, 15913, 47739, 79565, 111391, 238695, 334173, 556955, 1670865, 2084603, 6253809, 10423015, 14592221, 31269045, 43776663, 72961105, 218883315]

約数ペア:

[(1, 218883315), (3, 72961105), (5, 43776663), (7, 31269045), (15, 14592221), (21, 10423015), (35, 6253809), (105, 2084603), (131, 1670865), (393, 556955), (655, 334173), (917, 238695), (1965, 111391), (2751, 79565), (4585, 47739), (13755, 15913)]