156931875645

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{653}}^1\times {\mathrm{24917}}^1$

素因数の和:26221

約数の個数: 32

約数和(自身を含む): 251876725632

約数和(自身を除く): 94944849987

約数列:

[1, 3, 5, 15, 643, 653, 1929, 1959, 3215, 3265, 9645, 9795, 24917, 74751, 124585, 373755, 419879, 1259637, 2099395, 6298185, 16021631, 16270801, 48064893, 48812403, 80108155, 81354005, 240324465, 244062015, 10462125043, 31386375129, 52310625215, 156931875645]

約数ペア:

[(1, 156931875645), (3, 52310625215), (5, 31386375129), (15, 10462125043), (643, 244062015), (653, 240324465), (1929, 81354005), (1959, 80108155), (3215, 48812403), (3265, 48064893), (9645, 16270801), (9795, 16021631), (24917, 6298185), (74751, 2099395), (124585, 1259637), (373755, 419879)]