67720947

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 108518400

約数和(自身を除く): 40797453

約数列:

[1, 3, 7, 21, 23, 69, 149, 161, 447, 483, 941, 1043, 2823, 3129, 3427, 6587, 10281, 19761, 21643, 23989, 64929, 71967, 140209, 151501, 420627, 454503, 981463, 2944389, 3224807, 9674421, 22573649, 67720947]

約数ペア:

[(1, 67720947), (3, 22573649), (7, 9674421), (21, 3224807), (23, 2944389), (69, 981463), (149, 454503), (161, 420627), (447, 151501), (483, 140209), (941, 71967), (1043, 64929), (2823, 23989), (3129, 21643), (3427, 19761), (6587, 10281)]