28350975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 49104000

約数和(自身を除く): 20753025

約数列:

[1, 3, 5, 15, 25, 43, 59, 75, 129, 149, 177, 215, 295, 447, 645, 745, 885, 1075, 1475, 2235, 2537, 3225, 3725, 4425, 6407, 7611, 8791, 11175, 12685, 19221, 26373, 32035, 38055, 43955, 63425, 96105, 131865, 160175, 190275, 219775, 378013, 480525, 659325, 1134039, 1890065, 5670195, 9450325, 28350975]

約数ペア:

[(1, 28350975), (3, 9450325), (5, 5670195), (15, 1890065), (25, 1134039), (43, 659325), (59, 480525), (75, 378013), (129, 219775), (149, 190275), (177, 160175), (215, 131865), (295, 96105), (447, 63425), (645, 43955), (745, 38055), (885, 32035), (1075, 26373), (1475, 19221), (2235, 12685), (2537, 11175), (3225, 8791), (3725, 7611), (4425, 6407)]