201406821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 356505600

約数和(自身を除く): 155098779

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 109, 133, 209, 231, 327, 399, 421, 627, 763, 1199, 1263, 1463, 2071, 2289, 2947, 3597, 4389, 4631, 6213, 7999, 8393, 8841, 13893, 14497, 22781, 23997, 25179, 32417, 43491, 45889, 55993, 68343, 87989, 97251, 137667, 159467, 167979, 263967, 321223, 478401, 504779, 615923, 871891, 963669, 1514337, 1847769, 2615673, 3533453, 6103237, 9590801, 10600359, 18309711, 28772403, 67135607, 201406821]

約数ペア:

[(1, 201406821), (3, 67135607), (7, 28772403), (11, 18309711), (19, 10600359), (21, 9590801), (33, 6103237), (57, 3533453), (77, 2615673), (109, 1847769), (133, 1514337), (209, 963669), (231, 871891), (327, 615923), (399, 504779), (421, 478401), (627, 321223), (763, 263967), (1199, 167979), (1263, 159467), (1463, 137667), (2071, 97251), (2289, 87989), (2947, 68343), (3597, 55993), (4389, 45889), (4631, 43491), (6213, 32417), (7999, 25179), (8393, 23997), (8841, 22781), (13893, 14497)]