2017391985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{39779}}^1$

素因数の和:39827

約数の個数: 72

約数和(自身を含む): 4244685120

約数和(自身を除く): 2227293135

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1449, 2205, 2415, 3381, 5635, 7245, 10143, 16905, 39779, 50715, 119337, 198895, 278453, 358011, 596685, 835359, 914917, 1392265, 1790055, 1949171, 2506077, 2744751, 4176795, 4574585, 5847513, 6404419, 8234253, 9745855, 12530385, 13723755, 17542539, 19213257, 29237565, 32022095, 41171265, 44830933, 57639771, 87712695, 96066285, 134492799, 224154665, 288198855, 403478397, 672463995, 2017391985]

約数ペア:

[(1, 2017391985), (3, 672463995), (5, 403478397), (7, 288198855), (9, 224154665), (15, 134492799), (21, 96066285), (23, 87712695), (35, 57639771), (45, 44830933), (49, 41171265), (63, 32022095), (69, 29237565), (105, 19213257), (115, 17542539), (147, 13723755), (161, 12530385), (207, 9745855), (245, 8234253), (315, 6404419), (345, 5847513), (441, 4574585), (483, 4176795), (735, 2744751), (805, 2506077), (1035, 1949171), (1127, 1790055), (1449, 1392265), (2205, 914917), (2415, 835359), (3381, 596685), (5635, 358011), (7245, 278453), (10143, 198895), (16905, 119337), (39779, 50715)]