80321445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 146530800

約数和(自身を除く): 66209355

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 145, 183, 261, 305, 435, 549, 915, 1009, 1305, 1769, 2745, 3027, 5045, 5307, 8845, 9081, 15135, 15921, 26535, 29261, 45405, 61549, 79605, 87783, 146305, 184647, 263349, 307745, 438915, 553941, 923235, 1316745, 1784921, 2769705, 5354763, 8924605, 16064289, 26773815, 80321445]

約数ペア:

[(1, 80321445), (3, 26773815), (5, 16064289), (9, 8924605), (15, 5354763), (29, 2769705), (45, 1784921), (61, 1316745), (87, 923235), (145, 553941), (183, 438915), (261, 307745), (305, 263349), (435, 184647), (549, 146305), (915, 87783), (1009, 79605), (1305, 61549), (1769, 45405), (2745, 29261), (3027, 26535), (5045, 15921), (5307, 15135), (8845, 9081)]