163955985

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 268272000

約数和(自身を除く): 104316015

約数列:

[1, 3, 5, 15, 59, 177, 229, 295, 687, 809, 885, 1145, 2427, 3435, 4045, 12135, 13511, 40533, 47731, 67555, 143193, 185261, 202665, 238655, 555783, 715965, 926305, 2778915, 10930399, 32791197, 54651995, 163955985]

約数ペア:

[(1, 163955985), (3, 54651995), (5, 32791197), (15, 10930399), (59, 2778915), (177, 926305), (229, 715965), (295, 555783), (687, 238655), (809, 202665), (885, 185261), (1145, 143193), (2427, 67555), (3435, 47731), (4045, 40533), (12135, 13511)]