26409159

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 46092288

約数和(自身を除く): 19683129

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 991, 1269, 2961, 2973, 3807, 6937, 8883, 8919, 20811, 26649, 26757, 46577, 62433, 80271, 139731, 187299, 326039, 419193, 561897, 978117, 1257579, 2934351, 3772737, 8803053, 26409159]

約数ペア:

[(1, 26409159), (3, 8803053), (7, 3772737), (9, 2934351), (21, 1257579), (27, 978117), (47, 561897), (63, 419193), (81, 326039), (141, 187299), (189, 139731), (329, 80271), (423, 62433), (567, 46577), (987, 26757), (991, 26649), (1269, 20811), (2961, 8919), (2973, 8883), (3807, 6937)]