209489085

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4457

約数の個数: 56

約数和(自身を含む): 405992664

約数和(自身を除く): 196503579

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1215, 1755, 3159, 3645, 4421, 5265, 9477, 13263, 15795, 22105, 39789, 47385, 57473, 66315, 119367, 172419, 198945, 287365, 358101, 517257, 596835, 862095, 1074303, 1551771, 1790505, 2586285, 3222909, 4655313, 5371515, 7758855, 13965939, 16114545, 23276565, 41897817, 69829695, 209489085]

約数ペア:

[(1, 209489085), (3, 69829695), (5, 41897817), (9, 23276565), (13, 16114545), (15, 13965939), (27, 7758855), (39, 5371515), (45, 4655313), (65, 3222909), (81, 2586285), (117, 1790505), (135, 1551771), (195, 1074303), (243, 862095), (351, 596835), (405, 517257), (585, 358101), (729, 287365), (1053, 198945), (1215, 172419), (1755, 119367), (3159, 66315), (3645, 57473), (4421, 47385), (5265, 39789), (9477, 22105), (13263, 15795)]