1681511265

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{19993}}^1$

素因数の和:20103

約数の個数: 64

約数和(自身を含む): 3454963200

約数和(自身を除く): 1773451935

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 89, 105, 135, 189, 267, 315, 445, 623, 801, 945, 1335, 1869, 2403, 3115, 4005, 5607, 9345, 12015, 16821, 19993, 28035, 59979, 84105, 99965, 139951, 179937, 299895, 419853, 539811, 699755, 899685, 1259559, 1779377, 2099265, 2699055, 3778677, 5338131, 6297795, 8896885, 12455639, 16014393, 18893385, 26690655, 37366917, 48043179, 62278195, 80071965, 112100751, 186834585, 240215895, 336302253, 560503755, 1681511265]

約数ペア:

[(1, 1681511265), (3, 560503755), (5, 336302253), (7, 240215895), (9, 186834585), (15, 112100751), (21, 80071965), (27, 62278195), (35, 48043179), (45, 37366917), (63, 26690655), (89, 18893385), (105, 16014393), (135, 12455639), (189, 8896885), (267, 6297795), (315, 5338131), (445, 3778677), (623, 2699055), (801, 2099265), (945, 1779377), (1335, 1259559), (1869, 899685), (2403, 699755), (3115, 539811), (4005, 419853), (5607, 299895), (9345, 179937), (12015, 139951), (16821, 99965), (19993, 84105), (28035, 59979)]