71375775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 130192560

約数和(自身を除く): 58816785

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 89, 111, 185, 255, 267, 289, 425, 445, 555, 629, 867, 925, 1275, 1335, 1445, 1513, 1887, 2225, 2775, 3145, 3293, 4335, 4539, 6675, 7225, 7565, 9435, 9879, 10693, 15725, 16465, 21675, 22695, 25721, 32079, 37825, 47175, 49395, 53465, 55981, 77163, 82325, 113475, 128605, 160395, 167943, 246975, 267325, 279905, 385815, 643025, 801975, 839715, 951677, 1399525, 1929075, 2855031, 4198575, 4758385, 14275155, 23791925, 71375775]

約数ペア:

[(1, 71375775), (3, 23791925), (5, 14275155), (15, 4758385), (17, 4198575), (25, 2855031), (37, 1929075), (51, 1399525), (75, 951677), (85, 839715), (89, 801975), (111, 643025), (185, 385815), (255, 279905), (267, 267325), (289, 246975), (425, 167943), (445, 160395), (555, 128605), (629, 113475), (867, 82325), (925, 77163), (1275, 55981), (1335, 53465), (1445, 49395), (1513, 47175), (1887, 37825), (2225, 32079), (2775, 25721), (3145, 22695), (3293, 21675), (4335, 16465), (4539, 15725), (6675, 10693), (7225, 9879), (7565, 9435)]