202103475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20300

約数の個数: 48

約数和(自身を含む): 401998080

約数和(自身を除く): 199894605

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 20261, 60783, 101305, 141827, 303915, 384959, 425481, 506525, 709135, 1154877, 1519575, 1924795, 2127405, 2694713, 3545675, 5774385, 8084139, 9623975, 10637025, 13473565, 28871925, 40420695, 67367825, 202103475]

約数ペア:

[(1, 202103475), (3, 67367825), (5, 40420695), (7, 28871925), (15, 13473565), (19, 10637025), (21, 9623975), (25, 8084139), (35, 5774385), (57, 3545675), (75, 2694713), (95, 2127405), (105, 1924795), (133, 1519575), (175, 1154877), (285, 709135), (399, 506525), (475, 425481), (525, 384959), (665, 303915), (1425, 141827), (1995, 101305), (3325, 60783), (9975, 20261)]