1999971369

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 3368645280

約数和(自身を除く): 1368673911

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 163, 171, 209, 363, 489, 593, 627, 1089, 1467, 1779, 1793, 1881, 2299, 3097, 5337, 5379, 6523, 6897, 9291, 11267, 16137, 19569, 19723, 20691, 27873, 33801, 34067, 58707, 59169, 71753, 96659, 101403, 102201, 123937, 177507, 215259, 289977, 306603, 371811, 374737, 645777, 869931, 1063249, 1115433, 1124211, 1363307, 1836521, 3189747, 3372633, 4089921, 5509563, 9569241, 11695739, 12269763, 16528689, 20201731, 35087217, 60605193, 105261651, 181815579, 222219041, 666657123, 1999971369]

約数ペア:

[(1, 1999971369), (3, 666657123), (9, 222219041), (11, 181815579), (19, 105261651), (33, 60605193), (57, 35087217), (99, 20201731), (121, 16528689), (163, 12269763), (171, 11695739), (209, 9569241), (363, 5509563), (489, 4089921), (593, 3372633), (627, 3189747), (1089, 1836521), (1467, 1363307), (1779, 1124211), (1793, 1115433), (1881, 1063249), (2299, 869931), (3097, 645777), (5337, 374737), (5379, 371811), (6523, 306603), (6897, 289977), (9291, 215259), (11267, 177507), (16137, 123937), (19569, 102201), (19723, 101403), (20691, 96659), (27873, 71753), (33801, 59169), (34067, 58707)]