138780915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 275014656

約数和(自身を除く): 136233741

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 293, 347, 455, 879, 1041, 1365, 1465, 1735, 2051, 2429, 3809, 4395, 4511, 5205, 6153, 7287, 10255, 11427, 12145, 13533, 19045, 22555, 26663, 30765, 31577, 36435, 57135, 67665, 79989, 94731, 101671, 133315, 157885, 305013, 399945, 473655, 508355, 711697, 1321723, 1525065, 2135091, 3558485, 3965169, 6608615, 9252061, 10675455, 19825845, 27756183, 46260305, 138780915]

約数ペア:

[(1, 138780915), (3, 46260305), (5, 27756183), (7, 19825845), (13, 10675455), (15, 9252061), (21, 6608615), (35, 3965169), (39, 3558485), (65, 2135091), (91, 1525065), (105, 1321723), (195, 711697), (273, 508355), (293, 473655), (347, 399945), (455, 305013), (879, 157885), (1041, 133315), (1365, 101671), (1465, 94731), (1735, 79989), (2051, 67665), (2429, 57135), (3809, 36435), (4395, 31577), (4511, 30765), (5205, 26663), (6153, 22555), (7287, 19045), (10255, 13533), (11427, 12145)]