196993215

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 367994880

約数和(自身を除く): 171001665

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 79, 81, 131, 135, 141, 235, 237, 393, 395, 405, 423, 655, 705, 711, 1179, 1185, 1269, 1965, 2115, 2133, 3537, 3555, 3713, 3807, 5895, 6157, 6345, 6399, 10349, 10611, 10665, 11139, 17685, 18471, 18565, 19035, 30785, 31047, 31995, 33417, 51745, 53055, 55413, 55695, 92355, 93141, 100251, 155235, 166239, 167085, 277065, 279423, 300753, 465705, 486403, 498717, 501255, 831195, 838269, 1397115, 1459209, 1503765, 2432015, 2493585, 4191345, 4377627, 7296045, 13132881, 21888135, 39398643, 65664405, 196993215]

約数ペア:

[(1, 196993215), (3, 65664405), (5, 39398643), (9, 21888135), (15, 13132881), (27, 7296045), (45, 4377627), (47, 4191345), (79, 2493585), (81, 2432015), (131, 1503765), (135, 1459209), (141, 1397115), (235, 838269), (237, 831195), (393, 501255), (395, 498717), (405, 486403), (423, 465705), (655, 300753), (705, 279423), (711, 277065), (1179, 167085), (1185, 166239), (1269, 155235), (1965, 100251), (2115, 93141), (2133, 92355), (3537, 55695), (3555, 55413), (3713, 53055), (3807, 51745), (5895, 33417), (6157, 31995), (6345, 31047), (6399, 30785), (10349, 19035), (10611, 18565), (10665, 18471), (11139, 17685)]