1921000215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^2\times {\mathrm{607}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 3191795712

約数和(自身を除く): 1270795497

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 607, 705, 1005, 1821, 3035, 3149, 4489, 9105, 9447, 13467, 15745, 22445, 28529, 40669, 47235, 67335, 85587, 122007, 142645, 203345, 210983, 427935, 610035, 632949, 1054915, 1911443, 2724823, 3164745, 5734329, 8174469, 9557215, 13624115, 28671645, 40872345, 128066681, 384200043, 640333405, 1921000215]

約数ペア:

[(1, 1921000215), (3, 640333405), (5, 384200043), (15, 128066681), (47, 40872345), (67, 28671645), (141, 13624115), (201, 9557215), (235, 8174469), (335, 5734329), (607, 3164745), (705, 2724823), (1005, 1911443), (1821, 1054915), (3035, 632949), (3149, 610035), (4489, 427935), (9105, 210983), (9447, 203345), (13467, 142645), (15745, 122007), (22445, 85587), (28529, 67335), (40669, 47235)]