72265921

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 92610560

約数和(自身を除く): 20344639

約数列:

[1, 7, 13, 37, 91, 127, 169, 259, 481, 889, 1183, 1651, 2197, 3367, 4699, 6253, 11557, 15379, 21463, 32893, 43771, 61087, 81289, 150241, 279019, 427609, 569023, 794131, 1953133, 5558917, 10323703, 72265921]

約数ペア:

[(1, 72265921), (7, 10323703), (13, 5558917), (37, 1953133), (91, 794131), (127, 569023), (169, 427609), (259, 279019), (481, 150241), (889, 81289), (1183, 61087), (1651, 43771), (2197, 32893), (3367, 21463), (4699, 15379), (6253, 11557)]