16889925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 31872960

約数和(自身を除く): 14983035

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1019, 1105, 1275, 3057, 3315, 5095, 5525, 13247, 15285, 16575, 17323, 25475, 39741, 51969, 66235, 76425, 86615, 198705, 225199, 259845, 331175, 433075, 675597, 993525, 1125995, 1299225, 3377985, 5629975, 16889925]

約数ペア:

[(1, 16889925), (3, 5629975), (5, 3377985), (13, 1299225), (15, 1125995), (17, 993525), (25, 675597), (39, 433075), (51, 331175), (65, 259845), (75, 225199), (85, 198705), (195, 86615), (221, 76425), (255, 66235), (325, 51969), (425, 39741), (663, 25475), (975, 17323), (1019, 16575), (1105, 15285), (1275, 13247), (3057, 5525), (3315, 5095)]