1781789919

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{17041}}^1$

素因数の和:17447

約数の個数: 32

約数和(自身を含む): 2931769344

約数和(自身を除く): 1149979425

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 383, 1149, 2681, 4979, 8043, 14937, 17041, 34853, 51123, 104559, 119287, 221533, 357861, 664599, 1550731, 4652193, 6526703, 19580109, 45686921, 84847139, 137060763, 254541417, 593929973, 1781789919]

約数ペア:

[(1, 1781789919), (3, 593929973), (7, 254541417), (13, 137060763), (21, 84847139), (39, 45686921), (91, 19580109), (273, 6526703), (383, 4652193), (1149, 1550731), (2681, 664599), (4979, 357861), (8043, 221533), (14937, 119287), (17041, 104559), (34853, 51123)]