121566921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 195701760

約数和(自身を除く): 74134839

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 547, 557, 1641, 1671, 3829, 3899, 10393, 10583, 11487, 11697, 31179, 31749, 72751, 74081, 218253, 222243, 304679, 914037, 2132753, 5788901, 6398259, 17366703, 40522307, 121566921]

約数ペア:

[(1, 121566921), (3, 40522307), (7, 17366703), (19, 6398259), (21, 5788901), (57, 2132753), (133, 914037), (399, 304679), (547, 222243), (557, 218253), (1641, 74081), (1671, 72751), (3829, 31749), (3899, 31179), (10393, 11697), (10583, 11487)]