201689775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3521

約数の個数: 72

約数和(自身を含む): 424136544

約数和(自身を除く): 222446769

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 175, 185, 225, 259, 315, 333, 525, 555, 777, 925, 1295, 1575, 1665, 2331, 2775, 3461, 3885, 6475, 8325, 10383, 11655, 17305, 19425, 24227, 31149, 51915, 58275, 72681, 86525, 121135, 128057, 155745, 218043, 259575, 363405, 384171, 605675, 640285, 778725, 896399, 1090215, 1152513, 1817025, 1920855, 2689197, 3201425, 4481995, 5451075, 5762565, 8067591, 9604275, 13445985, 22409975, 28812825, 40337955, 67229925, 201689775]

約数ペア:

[(1, 201689775), (3, 67229925), (5, 40337955), (7, 28812825), (9, 22409975), (15, 13445985), (21, 9604275), (25, 8067591), (35, 5762565), (37, 5451075), (45, 4481995), (63, 3201425), (75, 2689197), (105, 1920855), (111, 1817025), (175, 1152513), (185, 1090215), (225, 896399), (259, 778725), (315, 640285), (333, 605675), (525, 384171), (555, 363405), (777, 259575), (925, 218043), (1295, 155745), (1575, 128057), (1665, 121135), (2331, 86525), (2775, 72681), (3461, 58275), (3885, 51915), (6475, 31149), (8325, 24227), (10383, 19425), (11655, 17305)]