127923237

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 208336128

約数和(自身を除く): 80412891

約数列:

[1, 3, 9, 13, 39, 43, 47, 117, 129, 141, 387, 423, 541, 559, 611, 1623, 1677, 1833, 2021, 4869, 5031, 5499, 6063, 7033, 18189, 21099, 23263, 25427, 26273, 63297, 69789, 76281, 78819, 209367, 228843, 236457, 302419, 330551, 907257, 991653, 1093361, 2721771, 2974959, 3280083, 9840249, 14213693, 42641079, 127923237]

約数ペア:

[(1, 127923237), (3, 42641079), (9, 14213693), (13, 9840249), (39, 3280083), (43, 2974959), (47, 2721771), (117, 1093361), (129, 991653), (141, 907257), (387, 330551), (423, 302419), (541, 236457), (559, 228843), (611, 209367), (1623, 78819), (1677, 76281), (1833, 69789), (2021, 63297), (4869, 26273), (5031, 25427), (5499, 23263), (6063, 21099), (7033, 18189)]