6921975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 12454560

約数和(自身を除く): 5532585

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 89, 183, 255, 267, 305, 425, 445, 915, 1037, 1275, 1335, 1513, 1525, 2225, 3111, 4539, 4575, 5185, 5429, 6675, 7565, 15555, 16287, 22695, 25925, 27145, 37825, 77775, 81435, 92293, 113475, 135725, 276879, 407175, 461465, 1384395, 2307325, 6921975]

約数ペア:

[(1, 6921975), (3, 2307325), (5, 1384395), (15, 461465), (17, 407175), (25, 276879), (51, 135725), (61, 113475), (75, 92293), (85, 81435), (89, 77775), (183, 37825), (255, 27145), (267, 25925), (305, 22695), (425, 16287), (445, 15555), (915, 7565), (1037, 6675), (1275, 5429), (1335, 5185), (1513, 4575), (1525, 4539), (2225, 3111)]