12989281923

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{6427}}^1$

素因数の和:6728

約数の個数: 48

約数和(自身を含む): 20215802880

約数和(自身を除く): 7226520957

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 223, 477, 669, 1007, 2007, 3021, 4237, 6427, 9063, 11819, 12711, 19281, 35457, 38133, 57843, 106371, 122113, 224561, 340631, 366339, 673683, 1021893, 1099017, 1433221, 2021049, 3065679, 4299663, 6471989, 12898989, 19415967, 27231199, 58247901, 75960713, 81693597, 227882139, 245080791, 683646417, 1443253547, 4329760641, 12989281923]

約数ペア:

[(1, 12989281923), (3, 4329760641), (9, 1443253547), (19, 683646417), (53, 245080791), (57, 227882139), (159, 81693597), (171, 75960713), (223, 58247901), (477, 27231199), (669, 19415967), (1007, 12898989), (2007, 6471989), (3021, 4299663), (4237, 3065679), (6427, 2021049), (9063, 1433221), (11819, 1099017), (12711, 1021893), (19281, 673683), (35457, 366339), (38133, 340631), (57843, 224561), (106371, 122113)]