80440821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{22859}}^1$

素因数の和:22905

約数の個数: 24

約数和(自身を含む): 128381760

約数和(自身を除く): 47940939

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 22859, 68577, 205731, 388603, 525757, 1165809, 1577271, 3497427, 4731813, 8937869, 26813607, 80440821]

約数ペア:

[(1, 80440821), (3, 26813607), (9, 8937869), (17, 4731813), (23, 3497427), (51, 1577271), (69, 1165809), (153, 525757), (207, 388603), (391, 205731), (1173, 68577), (3519, 22859)]