18285897

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 31122432

約数和(自身を除く): 12836535

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 131, 161, 289, 357, 391, 393, 483, 867, 917, 1173, 2023, 2227, 2737, 2751, 3013, 6069, 6647, 6681, 8211, 9039, 15589, 19941, 21091, 37859, 46529, 46767, 51221, 63273, 113577, 139587, 153663, 265013, 358547, 795039, 870757, 1075641, 2612271, 6095299, 18285897]

約数ペア:

[(1, 18285897), (3, 6095299), (7, 2612271), (17, 1075641), (21, 870757), (23, 795039), (51, 358547), (69, 265013), (119, 153663), (131, 139587), (161, 113577), (289, 63273), (357, 51221), (391, 46767), (393, 46529), (483, 37859), (867, 21091), (917, 19941), (1173, 15589), (2023, 9039), (2227, 8211), (2737, 6681), (2751, 6647), (3013, 6069)]