156777453

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 271754496

約数和(自身を除く): 114977043

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 257, 421, 483, 771, 1263, 1449, 1799, 2313, 2947, 3789, 5397, 5911, 8841, 9683, 16191, 17733, 26523, 29049, 41377, 53199, 67781, 87147, 108197, 124131, 203343, 324591, 372393, 610029, 757379, 973773, 2272137, 2488531, 6816411, 7465593, 17419717, 22396779, 52259151, 156777453]

約数ペア:

[(1, 156777453), (3, 52259151), (7, 22396779), (9, 17419717), (21, 7465593), (23, 6816411), (63, 2488531), (69, 2272137), (161, 973773), (207, 757379), (257, 610029), (421, 372393), (483, 324591), (771, 203343), (1263, 124131), (1449, 108197), (1799, 87147), (2313, 67781), (2947, 53199), (3789, 41377), (5397, 29049), (5911, 26523), (8841, 17733), (9683, 16191)]