261412893

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 487555200

約数和(自身を除く): 226142307

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 59, 63, 119, 147, 153, 177, 189, 197, 357, 413, 441, 459, 531, 591, 833, 1003, 1071, 1239, 1323, 1379, 1593, 1773, 2499, 2891, 3009, 3213, 3349, 3717, 4137, 5319, 7021, 7497, 8673, 9027, 9653, 10047, 11151, 11623, 12411, 21063, 22491, 23443, 26019, 27081, 28959, 30141, 34869, 37233, 49147, 63189, 70329, 78057, 81361, 86877, 90423, 104607, 147441, 164101, 189567, 197591, 210987, 244083, 260631, 313821, 442323, 492303, 569527, 592773, 632961, 732249, 1326969, 1383137, 1476909, 1708581, 1778319, 2196747, 4149411, 4430727, 5125743, 5334957, 9681959, 12448233, 15377229, 29045877, 37344699, 87137631, 261412893]

約数ペア:

[(1, 261412893), (3, 87137631), (7, 37344699), (9, 29045877), (17, 15377229), (21, 12448233), (27, 9681959), (49, 5334957), (51, 5125743), (59, 4430727), (63, 4149411), (119, 2196747), (147, 1778319), (153, 1708581), (177, 1476909), (189, 1383137), (197, 1326969), (357, 732249), (413, 632961), (441, 592773), (459, 569527), (531, 492303), (591, 442323), (833, 313821), (1003, 260631), (1071, 244083), (1239, 210987), (1323, 197591), (1379, 189567), (1593, 164101), (1773, 147441), (2499, 104607), (2891, 90423), (3009, 86877), (3213, 81361), (3349, 78057), (3717, 70329), (4137, 63189), (5319, 49147), (7021, 37233), (7497, 34869), (8673, 30141), (9027, 28959), (9653, 27081), (10047, 26019), (11151, 23443), (11623, 22491), (12411, 21063)]