27705975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 52246656

約数和(自身を除く): 24540681

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 71, 75, 121, 129, 165, 213, 215, 275, 355, 363, 473, 605, 645, 781, 825, 1065, 1075, 1419, 1775, 1815, 2343, 2365, 3025, 3053, 3225, 3905, 5203, 5325, 7095, 8591, 9075, 9159, 11715, 11825, 15265, 15609, 19525, 25773, 26015, 33583, 35475, 42955, 45795, 58575, 76325, 78045, 100749, 128865, 130075, 167915, 214775, 228975, 369413, 390225, 503745, 644325, 839575, 1108239, 1847065, 2518725, 5541195, 9235325, 27705975]

約数ペア:

[(1, 27705975), (3, 9235325), (5, 5541195), (11, 2518725), (15, 1847065), (25, 1108239), (33, 839575), (43, 644325), (55, 503745), (71, 390225), (75, 369413), (121, 228975), (129, 214775), (165, 167915), (213, 130075), (215, 128865), (275, 100749), (355, 78045), (363, 76325), (473, 58575), (605, 45795), (645, 42955), (781, 35475), (825, 33583), (1065, 26015), (1075, 25773), (1419, 19525), (1775, 15609), (1815, 15265), (2343, 11825), (2365, 11715), (3025, 9159), (3053, 9075), (3225, 8591), (3905, 7095), (5203, 5325)]