205429095

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 380436480

約数和(自身を除く): 175007385

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 191, 257, 279, 465, 573, 771, 837, 955, 1285, 1395, 1719, 2313, 2865, 3855, 4185, 5157, 5921, 6939, 7967, 8595, 11565, 17763, 23901, 25785, 29605, 34695, 39835, 49087, 53289, 71703, 88815, 119505, 147261, 159867, 215109, 245435, 266445, 358515, 441783, 736305, 799335, 1075545, 1325349, 1521697, 2208915, 4565091, 6626745, 7608485, 13695273, 22825455, 41085819, 68476365, 205429095]

約数ペア:

[(1, 205429095), (3, 68476365), (5, 41085819), (9, 22825455), (15, 13695273), (27, 7608485), (31, 6626745), (45, 4565091), (93, 2208915), (135, 1521697), (155, 1325349), (191, 1075545), (257, 799335), (279, 736305), (465, 441783), (573, 358515), (771, 266445), (837, 245435), (955, 215109), (1285, 159867), (1395, 147261), (1719, 119505), (2313, 88815), (2865, 71703), (3855, 53289), (4185, 49087), (5157, 39835), (5921, 34695), (6939, 29605), (7967, 25785), (8595, 23901), (11565, 17763)]