78866595

素因数分解:

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

素因数の和:293

約数の個数: 48

約数和(自身を含む): 143451360

約数和(自身を除く): 64584765

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 157, 183, 305, 471, 549, 785, 915, 1413, 1647, 2355, 2745, 3721, 4239, 7065, 8235, 9577, 11163, 18605, 21195, 28731, 33489, 47885, 55815, 86193, 100467, 143655, 167445, 258579, 430965, 502335, 584197, 1292895, 1752591, 2920985, 5257773, 8762955, 15773319, 26288865, 78866595]

約数ペア:

[(1, 78866595), (3, 26288865), (5, 15773319), (9, 8762955), (15, 5257773), (27, 2920985), (45, 1752591), (61, 1292895), (135, 584197), (157, 502335), (183, 430965), (305, 258579), (471, 167445), (549, 143655), (785, 100467), (915, 86193), (1413, 55815), (1647, 47885), (2355, 33489), (2745, 28731), (3721, 21195), (4239, 18605), (7065, 11163), (8235, 9577)]