38793915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 75669360

約数和(自身を除く): 36875445

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 157, 171, 255, 285, 289, 323, 471, 765, 785, 855, 867, 969, 1413, 1445, 1615, 2355, 2601, 2669, 2907, 2983, 4335, 4845, 5491, 7065, 8007, 8949, 13005, 13345, 14535, 14915, 16473, 24021, 26847, 27455, 40035, 44745, 45373, 49419, 50711, 82365, 120105, 134235, 136119, 152133, 226865, 247095, 253555, 408357, 456399, 680595, 760665, 862087, 2041785, 2281995, 2586261, 4310435, 7758783, 12931305, 38793915]

約数ペア:

[(1, 38793915), (3, 12931305), (5, 7758783), (9, 4310435), (15, 2586261), (17, 2281995), (19, 2041785), (45, 862087), (51, 760665), (57, 680595), (85, 456399), (95, 408357), (153, 253555), (157, 247095), (171, 226865), (255, 152133), (285, 136119), (289, 134235), (323, 120105), (471, 82365), (765, 50711), (785, 49419), (855, 45373), (867, 44745), (969, 40035), (1413, 27455), (1445, 26847), (1615, 24021), (2355, 16473), (2601, 14915), (2669, 14535), (2907, 13345), (2983, 13005), (4335, 8949), (4845, 8007), (5491, 7065)]