161581365

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2131

約数の個数: 64

約数和(自身を含む): 319438080

約数和(自身を除く): 157856715

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 53, 55, 99, 135, 159, 165, 265, 297, 477, 495, 583, 795, 1431, 1485, 1749, 2053, 2385, 2915, 5247, 6159, 7155, 8745, 10265, 15741, 18477, 22583, 26235, 30795, 55431, 67749, 78705, 92385, 108809, 112915, 203247, 277155, 326427, 338745, 544045, 609741, 979281, 1016235, 1196899, 1632135, 2937843, 3048705, 3590697, 4896405, 5984495, 10772091, 14689215, 17953485, 32316273, 53860455, 161581365]

約数ペア:

[(1, 161581365), (3, 53860455), (5, 32316273), (9, 17953485), (11, 14689215), (15, 10772091), (27, 5984495), (33, 4896405), (45, 3590697), (53, 3048705), (55, 2937843), (99, 1632135), (135, 1196899), (159, 1016235), (165, 979281), (265, 609741), (297, 544045), (477, 338745), (495, 326427), (583, 277155), (795, 203247), (1431, 112915), (1485, 108809), (1749, 92385), (2053, 78705), (2385, 67749), (2915, 55431), (5247, 30795), (6159, 26235), (7155, 22583), (8745, 18477), (10265, 15741)]