42556647

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 70785792

約数和(自身を除く): 28229145

約数列:

[1, 3, 7, 21, 23, 41, 49, 69, 123, 147, 161, 287, 307, 483, 861, 921, 943, 1127, 2009, 2149, 2829, 3381, 6027, 6447, 6601, 7061, 12587, 15043, 19803, 21183, 37761, 45129, 46207, 49427, 88109, 138621, 148281, 264327, 289501, 345989, 616763, 868503, 1037967, 1850289, 2026507, 6079521, 14185549, 42556647]

約数ペア:

[(1, 42556647), (3, 14185549), (7, 6079521), (21, 2026507), (23, 1850289), (41, 1037967), (49, 868503), (69, 616763), (123, 345989), (147, 289501), (161, 264327), (287, 148281), (307, 138621), (483, 88109), (861, 49427), (921, 46207), (943, 45129), (1127, 37761), (2009, 21183), (2149, 19803), (2829, 15043), (3381, 12587), (6027, 7061), (6447, 6601)]