389399325

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{15137}}^1$

素因数の和:15171

約数の個数: 48

約数和(自身を含む): 750844800

約数和(自身を除く): 361445475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 3675, 5145, 8575, 15137, 25725, 45411, 75685, 105959, 227055, 317877, 378425, 529795, 741713, 1135275, 1589385, 2225139, 2648975, 3708565, 5191991, 7946925, 11125695, 15575973, 18542825, 25959955, 55628475, 77879865, 129799775, 389399325]

約数ペア:

[(1, 389399325), (3, 129799775), (5, 77879865), (7, 55628475), (15, 25959955), (21, 18542825), (25, 15575973), (35, 11125695), (49, 7946925), (75, 5191991), (105, 3708565), (147, 2648975), (175, 2225139), (245, 1589385), (343, 1135275), (525, 741713), (735, 529795), (1029, 378425), (1225, 317877), (1715, 227055), (3675, 105959), (5145, 75685), (8575, 45411), (15137, 25725)]