78772743

素因数分解:

$3^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 60

約数和(自身を含む): 139043520

約数和(自身を除く): 60270777

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 89, 147, 189, 223, 267, 441, 567, 623, 669, 801, 1323, 1561, 1869, 2007, 2403, 3969, 4361, 4683, 5607, 6021, 7209, 10927, 13083, 14049, 16821, 18063, 19847, 32781, 39249, 42147, 50463, 59541, 98343, 117747, 126441, 138929, 178623, 295029, 353241, 416787, 535869, 885087, 972503, 1250361, 1607607, 2917509, 3751083, 8752527, 11253249, 26257581, 78772743]

約数ペア:

[(1, 78772743), (3, 26257581), (7, 11253249), (9, 8752527), (21, 3751083), (27, 2917509), (49, 1607607), (63, 1250361), (81, 972503), (89, 885087), (147, 535869), (189, 416787), (223, 353241), (267, 295029), (441, 178623), (567, 138929), (623, 126441), (669, 117747), (801, 98343), (1323, 59541), (1561, 50463), (1869, 42147), (2007, 39249), (2403, 32781), (3969, 19847), (4361, 18063), (4683, 16821), (5607, 14049), (6021, 13083), (7209, 10927)]