42721731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 72019584

約数和(自身を除く): 29297853

約数列:

[1, 3, 9, 13, 17, 39, 47, 51, 117, 141, 153, 221, 423, 457, 611, 663, 799, 1371, 1833, 1989, 2397, 4113, 5499, 5941, 7191, 7769, 10387, 17823, 21479, 23307, 31161, 53469, 64437, 69921, 93483, 100997, 193311, 279227, 302991, 365143, 837681, 908973, 1095429, 2513043, 3286287, 4746859, 14240577, 42721731]

約数ペア:

[(1, 42721731), (3, 14240577), (9, 4746859), (13, 3286287), (17, 2513043), (39, 1095429), (47, 908973), (51, 837681), (117, 365143), (141, 302991), (153, 279227), (221, 193311), (423, 100997), (457, 93483), (611, 69921), (663, 64437), (799, 53469), (1371, 31161), (1833, 23307), (1989, 21479), (2397, 17823), (4113, 10387), (5499, 7769), (5941, 7191)]