331343991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 571447344

約数和(自身を除く): 240103353

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 289, 313, 333, 407, 561, 629, 867, 939, 1221, 1683, 1887, 2601, 2817, 3179, 3443, 3663, 5321, 5661, 6919, 9537, 10329, 10693, 11581, 15963, 20757, 28611, 30987, 32079, 34743, 47889, 58531, 62271, 90457, 96237, 104229, 117623, 127391, 175593, 196877, 271371, 352869, 382173, 526779, 590631, 814113, 995027, 1058607, 1146519, 1771893, 2165647, 2985081, 3346909, 6496941, 8955243, 10040727, 19490823, 30122181, 36815999, 110447997, 331343991]

約数ペア:

[(1, 331343991), (3, 110447997), (9, 36815999), (11, 30122181), (17, 19490823), (33, 10040727), (37, 8955243), (51, 6496941), (99, 3346909), (111, 2985081), (153, 2165647), (187, 1771893), (289, 1146519), (313, 1058607), (333, 995027), (407, 814113), (561, 590631), (629, 526779), (867, 382173), (939, 352869), (1221, 271371), (1683, 196877), (1887, 175593), (2601, 127391), (2817, 117623), (3179, 104229), (3443, 96237), (3663, 90457), (5321, 62271), (5661, 58531), (6919, 47889), (9537, 34743), (10329, 32079), (10693, 30987), (11581, 28611), (15963, 20757)]