201954645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 380166696

約数和(自身を除く): 178212051

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 289, 293, 477, 765, 795, 867, 879, 901, 1445, 1465, 2385, 2601, 2637, 2703, 4335, 4395, 4505, 4981, 8109, 13005, 13185, 13515, 14943, 15317, 15529, 24905, 40545, 44829, 45951, 46587, 74715, 76585, 77645, 84677, 137853, 139761, 224145, 229755, 232935, 254031, 263993, 423385, 689265, 698805, 762093, 791979, 1270155, 1319965, 2375937, 3810465, 3959895, 4487881, 11879685, 13463643, 22439405, 40390929, 67318215, 201954645]

約数ペア:

[(1, 201954645), (3, 67318215), (5, 40390929), (9, 22439405), (15, 13463643), (17, 11879685), (45, 4487881), (51, 3959895), (53, 3810465), (85, 2375937), (153, 1319965), (159, 1270155), (255, 791979), (265, 762093), (289, 698805), (293, 689265), (477, 423385), (765, 263993), (795, 254031), (867, 232935), (879, 229755), (901, 224145), (1445, 139761), (1465, 137853), (2385, 84677), (2601, 77645), (2637, 76585), (2703, 74715), (4335, 46587), (4395, 45951), (4505, 44829), (4981, 40545), (8109, 24905), (13005, 15529), (13185, 15317), (13515, 14943)]