204021885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 350558208

約数和(自身を除く): 146536323

約数列:

[1, 3, 5, 15, 37, 43, 83, 103, 111, 129, 185, 215, 249, 309, 415, 515, 555, 645, 1245, 1545, 1591, 3071, 3569, 3811, 4429, 4773, 7955, 8549, 9213, 10707, 11433, 13287, 15355, 17845, 19055, 22145, 23865, 25647, 42745, 46065, 53535, 57165, 66435, 128235, 132053, 163873, 316313, 367607, 396159, 491619, 660265, 819365, 948939, 1102821, 1581565, 1838035, 1980795, 2458095, 4744695, 5514105, 13601459, 40804377, 68007295, 204021885]

約数ペア:

[(1, 204021885), (3, 68007295), (5, 40804377), (15, 13601459), (37, 5514105), (43, 4744695), (83, 2458095), (103, 1980795), (111, 1838035), (129, 1581565), (185, 1102821), (215, 948939), (249, 819365), (309, 660265), (415, 491619), (515, 396159), (555, 367607), (645, 316313), (1245, 163873), (1545, 132053), (1591, 128235), (3071, 66435), (3569, 57165), (3811, 53535), (4429, 46065), (4773, 42745), (7955, 25647), (8549, 23865), (9213, 22145), (10707, 19055), (11433, 17845), (13287, 15355)]