80118915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 55598205

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 1427, 2955, 3743, 4281, 7135, 11229, 18715, 21405, 27113, 56145, 81339, 135565, 281119, 406695, 843357, 1405595, 4216785, 5341261, 16023783, 26706305, 80118915]

約数ペア:

[(1, 80118915), (3, 26706305), (5, 16023783), (15, 5341261), (19, 4216785), (57, 1405595), (95, 843357), (197, 406695), (285, 281119), (591, 135565), (985, 81339), (1427, 56145), (2955, 27113), (3743, 21405), (4281, 18715), (7135, 11229)]