20131423215

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1\times {\mathrm{18731}}^1$

素因数の和:19399

約数の個数: 32

約数和(自身を含む): 32509161216

約数和(自身を除く): 12377738001

約数列:

[1, 3, 5, 15, 137, 411, 523, 685, 1569, 2055, 2615, 7845, 18731, 56193, 71651, 93655, 214953, 280965, 358255, 1074765, 2566147, 7698441, 9796313, 12830735, 29388939, 38492205, 48981565, 146944695, 1342094881, 4026284643, 6710474405, 20131423215]

約数ペア:

[(1, 20131423215), (3, 6710474405), (5, 4026284643), (15, 1342094881), (137, 146944695), (411, 48981565), (523, 38492205), (685, 29388939), (1569, 12830735), (2055, 9796313), (2615, 7698441), (7845, 2566147), (18731, 1074765), (56193, 358255), (71651, 280965), (93655, 214953)]