890945370609

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14887}}^1\times {\mathrm{149993}}^1$

素因数の和:164909

約数の個数: 32

約数和(自身を含む): 1429190830080

約数和(自身を除く): 538245459471

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 14887, 44661, 104209, 149993, 282853, 312627, 449979, 848559, 1049951, 1979971, 2849867, 3149853, 5939913, 8549601, 19949069, 59847207, 2232945791, 6698837373, 15630620537, 42425970029, 46891861611, 127277910087, 296981790203, 890945370609]

約数ペア:

[(1, 890945370609), (3, 296981790203), (7, 127277910087), (19, 46891861611), (21, 42425970029), (57, 15630620537), (133, 6698837373), (399, 2232945791), (14887, 59847207), (44661, 19949069), (104209, 8549601), (149993, 5939913), (282853, 3149853), (312627, 2849867), (449979, 1979971), (848559, 1049951)]