77142735

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 137535840

約数和(自身を除く): 60393105

約数列:

[1, 3, 5, 9, 15, 45, 61, 157, 179, 183, 305, 471, 537, 549, 785, 895, 915, 1413, 1611, 2355, 2685, 2745, 7065, 8055, 9577, 10919, 28103, 28731, 32757, 47885, 54595, 84309, 86193, 98271, 140515, 143655, 163785, 252927, 421545, 430965, 491355, 1264635, 1714283, 5142849, 8571415, 15428547, 25714245, 77142735]

約数ペア:

[(1, 77142735), (3, 25714245), (5, 15428547), (9, 8571415), (15, 5142849), (45, 1714283), (61, 1264635), (157, 491355), (179, 430965), (183, 421545), (305, 252927), (471, 163785), (537, 143655), (549, 140515), (785, 98271), (895, 86193), (915, 84309), (1413, 54595), (1611, 47885), (2355, 32757), (2685, 28731), (2745, 28103), (7065, 10919), (8055, 9577)]