856556043

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{12409}}^1$

素因数の和:12611

約数の個数: 32

約数和(自身を含む): 1381977600

約数和(自身を除く): 525421557

約数列:

[1, 3, 7, 19, 21, 57, 133, 173, 399, 519, 1211, 3287, 3633, 9861, 12409, 23009, 37227, 69027, 86863, 235771, 260589, 707313, 1650397, 2146757, 4951191, 6440271, 15027299, 40788383, 45081897, 122365149, 285518681, 856556043]

約数ペア:

[(1, 856556043), (3, 285518681), (7, 122365149), (19, 45081897), (21, 40788383), (57, 15027299), (133, 6440271), (173, 4951191), (399, 2146757), (519, 1650397), (1211, 707313), (3287, 260589), (3633, 235771), (9861, 86863), (12409, 69027), (23009, 37227)]