71977185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2753}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 144353664

約数和(自身を除く): 72376479

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 747, 1245, 1743, 2753, 2905, 3735, 5229, 8259, 8715, 13765, 19271, 24777, 26145, 41295, 57813, 96355, 123885, 173439, 228499, 289065, 685497, 867195, 1142495, 1599493, 2056491, 3427485, 4798479, 7997465, 10282455, 14395437, 23992395, 71977185]

約数ペア:

[(1, 71977185), (3, 23992395), (5, 14395437), (7, 10282455), (9, 7997465), (15, 4798479), (21, 3427485), (35, 2056491), (45, 1599493), (63, 1142495), (83, 867195), (105, 685497), (249, 289065), (315, 228499), (415, 173439), (581, 123885), (747, 96355), (1245, 57813), (1743, 41295), (2753, 26145), (2905, 24777), (3735, 19271), (5229, 13765), (8259, 8715)]