1213304925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{8923}}^1$

素因数の和:8987

約数の個数: 72

約数和(自身を含む): 2396843616

約数和(自身を除く): 1183538691

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 49, 75, 105, 111, 147, 175, 185, 245, 259, 525, 555, 735, 777, 925, 1225, 1295, 1813, 2775, 3675, 3885, 5439, 6475, 8923, 9065, 19425, 26769, 27195, 44615, 45325, 62461, 133845, 135975, 187383, 223075, 312305, 330151, 437227, 669225, 936915, 990453, 1311681, 1561525, 1650755, 2186135, 2311057, 4684575, 4952265, 6558405, 6933171, 8253775, 10930675, 11555285, 16177399, 24761325, 32792025, 34665855, 48532197, 57776425, 80886995, 173329275, 242660985, 404434975, 1213304925]

約数ペア:

[(1, 1213304925), (3, 404434975), (5, 242660985), (7, 173329275), (15, 80886995), (21, 57776425), (25, 48532197), (35, 34665855), (37, 32792025), (49, 24761325), (75, 16177399), (105, 11555285), (111, 10930675), (147, 8253775), (175, 6933171), (185, 6558405), (245, 4952265), (259, 4684575), (525, 2311057), (555, 2186135), (735, 1650755), (777, 1561525), (925, 1311681), (1225, 990453), (1295, 936915), (1813, 669225), (2775, 437227), (3675, 330151), (3885, 312305), (5439, 223075), (6475, 187383), (8923, 135975), (9065, 133845), (19425, 62461), (26769, 45325), (27195, 44615)]