1999902513

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{8627}}^1$

素因数の和:8746

約数の個数: 48

約数和(自身を含む): 3304869120

約数和(自身を除く): 1304966607

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 399, 581, 931, 1577, 1743, 2793, 4067, 4731, 8627, 11039, 12201, 25881, 33117, 60389, 77273, 163913, 181167, 231819, 422723, 491739, 716041, 1147391, 1268169, 2148123, 3442173, 5012287, 8031737, 13604779, 15036861, 24095211, 35086009, 40814337, 95233453, 105258027, 285700359, 666634171, 1999902513]

約数ペア:

[(1, 1999902513), (3, 666634171), (7, 285700359), (19, 105258027), (21, 95233453), (49, 40814337), (57, 35086009), (83, 24095211), (133, 15036861), (147, 13604779), (249, 8031737), (399, 5012287), (581, 3442173), (931, 2148123), (1577, 1268169), (1743, 1147391), (2793, 716041), (4067, 491739), (4731, 422723), (8627, 231819), (11039, 181167), (12201, 163913), (25881, 77273), (33117, 60389)]