30890925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 30042675

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 59, 65, 75, 117, 177, 179, 195, 225, 295, 325, 531, 537, 585, 767, 885, 895, 975, 1475, 1611, 2301, 2327, 2655, 2685, 2925, 3835, 4425, 4475, 6903, 6981, 8055, 10561, 11505, 11635, 13275, 13425, 19175, 20943, 31683, 34515, 34905, 40275, 52805, 57525, 58175, 95049, 104715, 137293, 158415, 172575, 174525, 264025, 411879, 475245, 523575, 686465, 792075, 1235637, 2059395, 2376225, 3432325, 6178185, 10296975, 30890925]

約数ペア:

[(1, 30890925), (3, 10296975), (5, 6178185), (9, 3432325), (13, 2376225), (15, 2059395), (25, 1235637), (39, 792075), (45, 686465), (59, 523575), (65, 475245), (75, 411879), (117, 264025), (177, 174525), (179, 172575), (195, 158415), (225, 137293), (295, 104715), (325, 95049), (531, 58175), (537, 57525), (585, 52805), (767, 40275), (885, 34905), (895, 34515), (975, 31683), (1475, 20943), (1611, 19175), (2301, 13425), (2327, 13275), (2655, 11635), (2685, 11505), (2925, 10561), (3835, 8055), (4425, 6981), (4475, 6903)]