90905919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 142700544

約数和(自身を除く): 51794625

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1209, 1581, 4423, 6851, 13269, 20553, 57499, 75191, 137113, 172497, 225573, 411339, 977483, 1782469, 2330921, 2932449, 5347407, 6992763, 30301973, 90905919]

約数ペア:

[(1, 90905919), (3, 30301973), (13, 6992763), (17, 5347407), (31, 2932449), (39, 2330921), (51, 1782469), (93, 977483), (221, 411339), (403, 225573), (527, 172497), (663, 137113), (1209, 75191), (1581, 57499), (4423, 20553), (6851, 13269)]