156978129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1487}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 261697536

約数和(自身を除く): 104719407

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 457, 1371, 1487, 3199, 4461, 5027, 9597, 10409, 15081, 16357, 31227, 35189, 49071, 105567, 114499, 343497, 679559, 2038677, 4756913, 7475149, 14270739, 22425447, 52326043, 156978129]

約数ペア:

[(1, 156978129), (3, 52326043), (7, 22425447), (11, 14270739), (21, 7475149), (33, 4756913), (77, 2038677), (231, 679559), (457, 343497), (1371, 114499), (1487, 105567), (3199, 49071), (4461, 35189), (5027, 31227), (9597, 16357), (10409, 15081)]