321570405

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20359}}^1$

素因数の和:20392

約数の個数: 48

約数和(自身を含む): 622527360

約数和(自身を除く): 300956955

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 15795, 20359, 61077, 101795, 183231, 264667, 305385, 549693, 794001, 916155, 1323335, 1649079, 2382003, 2748465, 3970005, 4947237, 7146009, 8245395, 11910015, 21438027, 24736185, 35730045, 64314081, 107190135, 321570405]

約数ペア:

[(1, 321570405), (3, 107190135), (5, 64314081), (9, 35730045), (13, 24736185), (15, 21438027), (27, 11910015), (39, 8245395), (45, 7146009), (65, 4947237), (81, 3970005), (117, 2748465), (135, 2382003), (195, 1649079), (243, 1323335), (351, 916155), (405, 794001), (585, 549693), (1053, 305385), (1215, 264667), (1755, 183231), (3159, 101795), (5265, 61077), (15795, 20359)]