16172667

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 28704000

約数和(自身を除く): 12531333

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 229, 399, 413, 531, 687, 1121, 1197, 1239, 1603, 2061, 3363, 3717, 4351, 4809, 7847, 10089, 13053, 13511, 14427, 23541, 30457, 39159, 40533, 70623, 91371, 94577, 121599, 256709, 274113, 283731, 770127, 851193, 1796963, 2310381, 5390889, 16172667]

約数ペア:

[(1, 16172667), (3, 5390889), (7, 2310381), (9, 1796963), (19, 851193), (21, 770127), (57, 283731), (59, 274113), (63, 256709), (133, 121599), (171, 94577), (177, 91371), (229, 70623), (399, 40533), (413, 39159), (531, 30457), (687, 23541), (1121, 14427), (1197, 13511), (1239, 13053), (1603, 10089), (2061, 7847), (3363, 4809), (3717, 4351)]