1213621005825

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2389841}}^1$

素因数の和:2389955

約数の個数: 72

約数和(自身を含む): 2269078504056

約数和(自身を除く): 1055457498231

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 61, 75, 111, 183, 185, 225, 305, 333, 549, 555, 915, 925, 1525, 1665, 2257, 2745, 2775, 4575, 6771, 8325, 11285, 13725, 20313, 33855, 56425, 101565, 169275, 507825, 2389841, 7169523, 11949205, 21508569, 35847615, 59746025, 88424117, 107542845, 145780301, 179238075, 265272351, 437340903, 442120585, 537714225, 728901505, 795817053, 1312022709, 1326361755, 2186704515, 2210602925, 3644507525, 3979085265, 5393871137, 6560113545, 6631808775, 10933522575, 16181613411, 19895426325, 26969355685, 32800567725, 48544840233, 80908067055, 134846778425, 242724201165, 404540335275, 1213621005825]

約数ペア:

[(1, 1213621005825), (3, 404540335275), (5, 242724201165), (9, 134846778425), (15, 80908067055), (25, 48544840233), (37, 32800567725), (45, 26969355685), (61, 19895426325), (75, 16181613411), (111, 10933522575), (183, 6631808775), (185, 6560113545), (225, 5393871137), (305, 3979085265), (333, 3644507525), (549, 2210602925), (555, 2186704515), (915, 1326361755), (925, 1312022709), (1525, 795817053), (1665, 728901505), (2257, 537714225), (2745, 442120585), (2775, 437340903), (4575, 265272351), (6771, 179238075), (8325, 145780301), (11285, 107542845), (13725, 88424117), (20313, 59746025), (33855, 35847615), (56425, 21508569), (101565, 11949205), (169275, 7169523), (507825, 2389841)]