1621000647

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{372901}}^1$

素因数の和:372940

約数の個数: 32

約数和(自身を含む): 2863887360

約数和(自身を除く): 1242886713

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 372901, 1118703, 2610307, 3356109, 7830921, 8576723, 10068327, 23492763, 25730169, 60037061, 70478289, 77190507, 180111183, 231571521, 540333549, 1621000647]

約数ペア:

[(1, 1621000647), (3, 540333549), (7, 231571521), (9, 180111183), (21, 77190507), (23, 70478289), (27, 60037061), (63, 25730169), (69, 23492763), (161, 10068327), (189, 8576723), (207, 7830921), (483, 3356109), (621, 2610307), (1449, 1118703), (4347, 372901)]