201561165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 392825160

約数和(自身を除く): 191263995

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 109, 117, 145, 195, 261, 327, 377, 435, 545, 585, 981, 1131, 1305, 1417, 1635, 1885, 3161, 3393, 4251, 4905, 5655, 7085, 9483, 11881, 12753, 15805, 16965, 21255, 28449, 35643, 41093, 47415, 59405, 63765, 106929, 123279, 142245, 154453, 178215, 205465, 344549, 369837, 463359, 534645, 616395, 772265, 1033647, 1390077, 1722745, 1849185, 2316795, 3100941, 4479137, 5168235, 6950385, 13437411, 15504705, 22395685, 40312233, 67187055, 201561165]

約数ペア:

[(1, 201561165), (3, 67187055), (5, 40312233), (9, 22395685), (13, 15504705), (15, 13437411), (29, 6950385), (39, 5168235), (45, 4479137), (65, 3100941), (87, 2316795), (109, 1849185), (117, 1722745), (145, 1390077), (195, 1033647), (261, 772265), (327, 616395), (377, 534645), (435, 463359), (545, 369837), (585, 344549), (981, 205465), (1131, 178215), (1305, 154453), (1417, 142245), (1635, 123279), (1885, 106929), (3161, 63765), (3393, 59405), (4251, 47415), (4905, 41093), (5655, 35643), (7085, 28449), (9483, 21255), (11881, 16965), (12753, 15805)]