78849315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 155612160

約数和(自身を除く): 76762845

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 47, 51, 85, 129, 135, 141, 153, 215, 235, 255, 289, 387, 423, 459, 645, 705, 731, 765, 799, 867, 1161, 1269, 1445, 1935, 2021, 2115, 2193, 2295, 2397, 2601, 3655, 3995, 4335, 5805, 6063, 6345, 6579, 7191, 7803, 10105, 10965, 11985, 12427, 13005, 13583, 18189, 19737, 21573, 30315, 32895, 34357, 35955, 37281, 39015, 40749, 54567, 62135, 67915, 90945, 98685, 103071, 107865, 111843, 122247, 171785, 186405, 203745, 272835, 309213, 335529, 366741, 515355, 559215, 584069, 611235, 927639, 1546065, 1677645, 1752207, 1833705, 2920345, 4638195, 5256621, 8761035, 15769863, 26283105, 78849315]

約数ペア:

[(1, 78849315), (3, 26283105), (5, 15769863), (9, 8761035), (15, 5256621), (17, 4638195), (27, 2920345), (43, 1833705), (45, 1752207), (47, 1677645), (51, 1546065), (85, 927639), (129, 611235), (135, 584069), (141, 559215), (153, 515355), (215, 366741), (235, 335529), (255, 309213), (289, 272835), (387, 203745), (423, 186405), (459, 171785), (645, 122247), (705, 111843), (731, 107865), (765, 103071), (799, 98685), (867, 90945), (1161, 67915), (1269, 62135), (1445, 54567), (1935, 40749), (2021, 39015), (2115, 37281), (2193, 35955), (2295, 34357), (2397, 32895), (2601, 30315), (3655, 21573), (3995, 19737), (4335, 18189), (5805, 13583), (6063, 13005), (6345, 12427), (6579, 11985), (7191, 10965), (7803, 10105)]