207976509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 336528192

約数和(自身を除く): 128551683

約数列:

[1, 3, 9, 13, 39, 43, 67, 117, 129, 201, 387, 559, 603, 617, 871, 1677, 1851, 2613, 2881, 5031, 5553, 7839, 8021, 8643, 24063, 25929, 26531, 37453, 41339, 72189, 79593, 112359, 124017, 238779, 337077, 344903, 372051, 537407, 1034709, 1612221, 1777577, 3104127, 4836663, 5332731, 15998193, 23108501, 69325503, 207976509]

約数ペア:

[(1, 207976509), (3, 69325503), (9, 23108501), (13, 15998193), (39, 5332731), (43, 4836663), (67, 3104127), (117, 1777577), (129, 1612221), (201, 1034709), (387, 537407), (559, 372051), (603, 344903), (617, 337077), (871, 238779), (1677, 124017), (1851, 112359), (2613, 79593), (2881, 72189), (5031, 41339), (5553, 37453), (7839, 26531), (8021, 25929), (8643, 24063)]