201991725

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7708

約数の個数: 60

約数和(自身を含む): 402992436

約数和(自身を除く): 201000711

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2925, 5265, 7673, 8775, 23019, 26325, 38365, 69057, 99749, 115095, 191825, 207171, 299247, 345285, 498745, 575475, 621513, 897741, 1035855, 1496235, 1726425, 2493725, 2693223, 3107565, 4488705, 5179275, 7481175, 8079669, 13466115, 15537825, 22443525, 40398345, 67330575, 201991725]

約数ペア:

[(1, 201991725), (3, 67330575), (5, 40398345), (9, 22443525), (13, 15537825), (15, 13466115), (25, 8079669), (27, 7481175), (39, 5179275), (45, 4488705), (65, 3107565), (75, 2693223), (81, 2493725), (117, 1726425), (135, 1496235), (195, 1035855), (225, 897741), (325, 621513), (351, 575475), (405, 498745), (585, 345285), (675, 299247), (975, 207171), (1053, 191825), (1755, 115095), (2025, 99749), (2925, 69057), (5265, 38365), (7673, 26325), (8775, 23019)]