9899019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 16700320

約数和(自身を除く): 6801301

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 73, 117, 171, 183, 219, 247, 549, 657, 741, 793, 949, 1159, 1387, 2223, 2379, 2847, 3477, 4161, 4453, 7137, 8541, 10431, 12483, 13359, 15067, 18031, 40077, 45201, 54093, 57889, 84607, 135603, 162279, 173667, 253821, 521001, 761463, 1099891, 3299673, 9899019]

約数ペア:

[(1, 9899019), (3, 3299673), (9, 1099891), (13, 761463), (19, 521001), (39, 253821), (57, 173667), (61, 162279), (73, 135603), (117, 84607), (171, 57889), (183, 54093), (219, 45201), (247, 40077), (549, 18031), (657, 15067), (741, 13359), (793, 12483), (949, 10431), (1159, 8541), (1387, 7137), (2223, 4453), (2379, 4161), (2847, 3477)]