2779245

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 6013440

約数和(自身を除く): 3234195

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 173, 189, 255, 315, 357, 459, 519, 595, 765, 865, 945, 1071, 1211, 1557, 1785, 2295, 2595, 2941, 3213, 3633, 4671, 5355, 6055, 7785, 8823, 10899, 14705, 16065, 18165, 20587, 23355, 26469, 32697, 44115, 54495, 61761, 79407, 102935, 132345, 163485, 185283, 308805, 397035, 555849, 926415, 2779245]

約数ペア:

[(1, 2779245), (3, 926415), (5, 555849), (7, 397035), (9, 308805), (15, 185283), (17, 163485), (21, 132345), (27, 102935), (35, 79407), (45, 61761), (51, 54495), (63, 44115), (85, 32697), (105, 26469), (119, 23355), (135, 20587), (153, 18165), (173, 16065), (189, 14705), (255, 10899), (315, 8823), (357, 7785), (459, 6055), (519, 5355), (595, 4671), (765, 3633), (865, 3213), (945, 2941), (1071, 2595), (1211, 2295), (1557, 1785)]