199956975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5059}}^1$

素因数の和:5120

約数の個数: 48

約数和(自身を含む): 361405440

約数和(自身を除く): 161448465

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 775, 1275, 1581, 2325, 2635, 5059, 7905, 13175, 15177, 25295, 39525, 75885, 86003, 126475, 156829, 258009, 379425, 430015, 470487, 784145, 1290045, 2150075, 2352435, 2666093, 3920725, 6450225, 7998279, 11762175, 13330465, 39991395, 66652325, 199956975]

約数ペア:

[(1, 199956975), (3, 66652325), (5, 39991395), (15, 13330465), (17, 11762175), (25, 7998279), (31, 6450225), (51, 3920725), (75, 2666093), (85, 2352435), (93, 2150075), (155, 1290045), (255, 784145), (425, 470487), (465, 430015), (527, 379425), (775, 258009), (1275, 156829), (1581, 126475), (2325, 86003), (2635, 75885), (5059, 39525), (7905, 25295), (13175, 15177)]