16568685

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 17645715

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 89, 105, 135, 189, 197, 267, 315, 445, 591, 623, 801, 945, 985, 1335, 1379, 1773, 1869, 2403, 2955, 3115, 4005, 4137, 5319, 5607, 6895, 8865, 9345, 12015, 12411, 16821, 17533, 20685, 26595, 28035, 37233, 52599, 62055, 84105, 87665, 122731, 157797, 186165, 262995, 368193, 473391, 613655, 788985, 1104579, 1840965, 2366955, 3313737, 5522895, 16568685]

約数ペア:

[(1, 16568685), (3, 5522895), (5, 3313737), (7, 2366955), (9, 1840965), (15, 1104579), (21, 788985), (27, 613655), (35, 473391), (45, 368193), (63, 262995), (89, 186165), (105, 157797), (135, 122731), (189, 87665), (197, 84105), (267, 62055), (315, 52599), (445, 37233), (591, 28035), (623, 26595), (801, 20685), (945, 17533), (985, 16821), (1335, 12411), (1379, 12015), (1773, 9345), (1869, 8865), (2403, 6895), (2955, 5607), (3115, 5319), (4005, 4137)]