1901454621

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 2985154560

約数和(自身を除く): 1083699939

約数列:

[1, 3, 11, 19, 33, 57, 71, 121, 209, 213, 353, 363, 627, 781, 1059, 1331, 1349, 2299, 2343, 3883, 3993, 4047, 6707, 6897, 8591, 11649, 14839, 20121, 25063, 25289, 25773, 42713, 44517, 73777, 75189, 75867, 94501, 128139, 163229, 221331, 275693, 283503, 469843, 476197, 489687, 811547, 827079, 1409529, 1428591, 1795519, 2434641, 3032623, 5238167, 5386557, 8927017, 9097869, 15714501, 26781051, 33358853, 57619837, 100076559, 172859511, 633818207, 1901454621]

約数ペア:

[(1, 1901454621), (3, 633818207), (11, 172859511), (19, 100076559), (33, 57619837), (57, 33358853), (71, 26781051), (121, 15714501), (209, 9097869), (213, 8927017), (353, 5386557), (363, 5238167), (627, 3032623), (781, 2434641), (1059, 1795519), (1331, 1428591), (1349, 1409529), (2299, 827079), (2343, 811547), (3883, 489687), (3993, 476197), (4047, 469843), (6707, 283503), (6897, 275693), (8591, 221331), (11649, 163229), (14839, 128139), (20121, 94501), (25063, 75867), (25289, 75189), (25773, 73777), (42713, 44517)]