155957985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3881}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 290684160

約数和(自身を除く): 134726175

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 3881, 4465, 8037, 11643, 13395, 19405, 34929, 40185, 58215, 73739, 174645, 182407, 221217, 368695, 547221, 663651, 912035, 1106085, 1641663, 2736105, 3318255, 3465733, 8208315, 10397199, 17328665, 31191597, 51985995, 155957985]

約数ペア:

[(1, 155957985), (3, 51985995), (5, 31191597), (9, 17328665), (15, 10397199), (19, 8208315), (45, 3465733), (47, 3318255), (57, 2736105), (95, 1641663), (141, 1106085), (171, 912035), (235, 663651), (285, 547221), (423, 368695), (705, 221217), (855, 182407), (893, 174645), (2115, 73739), (2679, 58215), (3881, 40185), (4465, 34929), (8037, 19405), (11643, 13395)]