38940405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 37091595

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 131, 133, 149, 285, 393, 399, 447, 655, 665, 745, 917, 1043, 1965, 1995, 2235, 2489, 2751, 2831, 3129, 4585, 5215, 7467, 8493, 12445, 13755, 14155, 15645, 17423, 19519, 19817, 37335, 42465, 52269, 58557, 59451, 87115, 97595, 99085, 136633, 261345, 292785, 297255, 370861, 409899, 683165, 1112583, 1854305, 2049495, 2596027, 5562915, 7788081, 12980135, 38940405]

約数ペア:

[(1, 38940405), (3, 12980135), (5, 7788081), (7, 5562915), (15, 2596027), (19, 2049495), (21, 1854305), (35, 1112583), (57, 683165), (95, 409899), (105, 370861), (131, 297255), (133, 292785), (149, 261345), (285, 136633), (393, 99085), (399, 97595), (447, 87115), (655, 59451), (665, 58557), (745, 52269), (917, 42465), (1043, 37335), (1965, 19817), (1995, 19519), (2235, 17423), (2489, 15645), (2751, 14155), (2831, 13755), (3129, 12445), (4585, 8493), (5215, 7467)]