72131295

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 117627840

約数和(自身を除く): 45496545

約数列:

[1, 3, 5, 15, 109, 157, 281, 327, 471, 545, 785, 843, 1405, 1635, 2355, 4215, 17113, 30629, 44117, 51339, 85565, 91887, 132351, 153145, 220585, 256695, 459435, 661755, 4808753, 14426259, 24043765, 72131295]

約数ペア:

[(1, 72131295), (3, 24043765), (5, 14426259), (15, 4808753), (109, 661755), (157, 459435), (281, 256695), (327, 220585), (471, 153145), (545, 132351), (785, 91887), (843, 85565), (1405, 51339), (1635, 44117), (2355, 30629), (4215, 17113)]