291217047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{12553}}^1$

素因数の和:12623

約数の個数: 32

約数和(自身を含む): 457969920

約数和(自身を除く): 166752873

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 12553, 23199, 37659, 138083, 238507, 414249, 464461, 715521, 1393383, 2623577, 5109071, 7870731, 8824759, 15327213, 26474277, 97072349, 291217047]

約数ペア:

[(1, 291217047), (3, 97072349), (11, 26474277), (19, 15327213), (33, 8824759), (37, 7870731), (57, 5109071), (111, 2623577), (209, 1393383), (407, 715521), (627, 464461), (703, 414249), (1221, 238507), (2109, 138083), (7733, 37659), (12553, 23199)]