71783805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 57608835

約数列:

[1, 3, 5, 15, 19, 23, 47, 57, 69, 95, 115, 141, 233, 235, 285, 345, 437, 699, 705, 893, 1081, 1165, 1311, 2185, 2679, 3243, 3495, 4427, 4465, 5359, 5405, 6555, 10951, 13281, 13395, 16077, 16215, 20539, 22135, 26795, 32853, 54755, 61617, 66405, 80385, 101821, 102695, 164265, 208069, 251873, 305463, 308085, 509105, 624207, 755619, 1040345, 1259365, 1527315, 3121035, 3778095, 4785587, 14356761, 23927935, 71783805]

約数ペア:

[(1, 71783805), (3, 23927935), (5, 14356761), (15, 4785587), (19, 3778095), (23, 3121035), (47, 1527315), (57, 1259365), (69, 1040345), (95, 755619), (115, 624207), (141, 509105), (233, 308085), (235, 305463), (285, 251873), (345, 208069), (437, 164265), (699, 102695), (705, 101821), (893, 80385), (1081, 66405), (1165, 61617), (1311, 54755), (2185, 32853), (2679, 26795), (3243, 22135), (3495, 20539), (4427, 16215), (4465, 16077), (5359, 13395), (5405, 13281), (6555, 10951)]