27681225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 28565175

約数列:

[1, 3, 5, 11, 13, 15, 25, 29, 33, 39, 55, 65, 75, 87, 89, 143, 145, 165, 195, 267, 275, 319, 325, 377, 429, 435, 445, 715, 725, 825, 957, 975, 979, 1131, 1157, 1335, 1595, 1885, 2145, 2175, 2225, 2581, 2937, 3471, 3575, 4147, 4785, 4895, 5655, 5785, 6675, 7743, 7975, 9425, 10725, 12441, 12727, 12905, 14685, 17355, 20735, 23925, 24475, 28275, 28391, 28925, 33553, 38181, 38715, 62205, 63635, 64525, 73425, 85173, 86775, 100659, 103675, 141955, 167765, 190905, 193575, 311025, 318175, 369083, 425865, 503295, 709775, 838825, 954525, 1107249, 1845415, 2129325, 2516475, 5536245, 9227075, 27681225]

約数ペア:

[(1, 27681225), (3, 9227075), (5, 5536245), (11, 2516475), (13, 2129325), (15, 1845415), (25, 1107249), (29, 954525), (33, 838825), (39, 709775), (55, 503295), (65, 425865), (75, 369083), (87, 318175), (89, 311025), (143, 193575), (145, 190905), (165, 167765), (195, 141955), (267, 103675), (275, 100659), (319, 86775), (325, 85173), (377, 73425), (429, 64525), (435, 63635), (445, 62205), (715, 38715), (725, 38181), (825, 33553), (957, 28925), (975, 28391), (979, 28275), (1131, 24475), (1157, 23925), (1335, 20735), (1595, 17355), (1885, 14685), (2145, 12905), (2175, 12727), (2225, 12441), (2581, 10725), (2937, 9425), (3471, 7975), (3575, 7743), (4147, 6675), (4785, 5785), (4895, 5655)]