201905655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 380878848

約数和(自身を除く): 178973193

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 163, 235, 251, 329, 489, 705, 753, 815, 987, 1141, 1255, 1645, 1757, 2445, 3423, 3765, 4935, 5271, 5705, 7661, 8785, 11797, 17115, 22983, 26355, 35391, 38305, 40913, 53627, 58985, 82579, 114915, 122739, 160881, 176955, 204565, 247737, 268135, 286391, 412895, 613695, 804405, 859173, 1238685, 1431955, 1922911, 4295865, 5768733, 9614555, 13460377, 28843665, 40381131, 67301885, 201905655]

約数ペア:

[(1, 201905655), (3, 67301885), (5, 40381131), (7, 28843665), (15, 13460377), (21, 9614555), (35, 5768733), (47, 4295865), (105, 1922911), (141, 1431955), (163, 1238685), (235, 859173), (251, 804405), (329, 613695), (489, 412895), (705, 286391), (753, 268135), (815, 247737), (987, 204565), (1141, 176955), (1255, 160881), (1645, 122739), (1757, 114915), (2445, 82579), (3423, 58985), (3765, 53627), (4935, 40913), (5271, 38305), (5705, 35391), (7661, 26355), (8785, 22983), (11797, 17115)]