205125225

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 351025152

約数和(自身を除く): 145899927

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 193, 383, 555, 579, 925, 965, 1149, 1915, 2775, 2895, 4825, 5745, 7141, 9575, 14171, 14475, 21423, 28725, 35705, 42513, 70855, 73919, 107115, 178525, 212565, 221757, 354275, 369595, 535575, 1062825, 1108785, 1847975, 2735003, 5543925, 8205009, 13675015, 41025045, 68375075, 205125225]

約数ペア:

[(1, 205125225), (3, 68375075), (5, 41025045), (15, 13675015), (25, 8205009), (37, 5543925), (75, 2735003), (111, 1847975), (185, 1108785), (193, 1062825), (383, 535575), (555, 369595), (579, 354275), (925, 221757), (965, 212565), (1149, 178525), (1915, 107115), (2775, 73919), (2895, 70855), (4825, 42513), (5745, 35705), (7141, 28725), (9575, 21423), (14171, 14475)]