138311775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 285633504

約数和(自身を除く): 147321729

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 137, 175, 225, 315, 411, 525, 641, 685, 959, 1233, 1575, 1923, 2055, 2877, 3205, 3425, 4487, 4795, 5769, 6165, 8631, 9615, 10275, 13461, 14385, 16025, 22435, 23975, 28845, 30825, 40383, 43155, 48075, 67305, 71925, 87817, 112175, 144225, 201915, 215775, 263451, 336525, 439085, 614719, 790353, 1009575, 1317255, 1844157, 2195425, 3073595, 3951765, 5532471, 6586275, 9220785, 15367975, 19758825, 27662355, 46103925, 138311775]

約数ペア:

[(1, 138311775), (3, 46103925), (5, 27662355), (7, 19758825), (9, 15367975), (15, 9220785), (21, 6586275), (25, 5532471), (35, 3951765), (45, 3073595), (63, 2195425), (75, 1844157), (105, 1317255), (137, 1009575), (175, 790353), (225, 614719), (315, 439085), (411, 336525), (525, 263451), (641, 215775), (685, 201915), (959, 144225), (1233, 112175), (1575, 87817), (1923, 71925), (2055, 67305), (2877, 48075), (3205, 43155), (3425, 40383), (4487, 30825), (4795, 28845), (5769, 23975), (6165, 22435), (8631, 16025), (9615, 14385), (10275, 13461)]