313250925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18899}}^1$

素因数の和:18942

約数の個数: 48

約数和(自身を含む): 590587200

約数和(自身を除く): 277336275

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 16575, 18899, 56697, 94495, 245687, 283485, 321283, 472475, 737061, 963849, 1228435, 1417425, 1606415, 3685305, 4176679, 4819245, 6142175, 8032075, 12530037, 18426525, 20883395, 24096225, 62650185, 104416975, 313250925]

約数ペア:

[(1, 313250925), (3, 104416975), (5, 62650185), (13, 24096225), (15, 20883395), (17, 18426525), (25, 12530037), (39, 8032075), (51, 6142175), (65, 4819245), (75, 4176679), (85, 3685305), (195, 1606415), (221, 1417425), (255, 1228435), (325, 963849), (425, 737061), (663, 472475), (975, 321283), (1105, 283485), (1275, 245687), (3315, 94495), (5525, 56697), (16575, 18899)]