90197955

素因数分解:

$3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 164926944

約数和(自身を除く): 74728989

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 243, 305, 405, 549, 915, 1215, 1217, 1647, 2745, 3651, 4941, 6085, 8235, 10953, 14823, 18255, 24705, 32859, 54765, 74115, 74237, 98577, 164295, 222711, 295731, 371185, 492885, 668133, 1113555, 1478655, 2004399, 3340665, 6013197, 10021995, 18039591, 30065985, 90197955]

約数ペア:

[(1, 90197955), (3, 30065985), (5, 18039591), (9, 10021995), (15, 6013197), (27, 3340665), (45, 2004399), (61, 1478655), (81, 1113555), (135, 668133), (183, 492885), (243, 371185), (305, 295731), (405, 222711), (549, 164295), (915, 98577), (1215, 74237), (1217, 74115), (1647, 54765), (2745, 32859), (3651, 24705), (4941, 18255), (6085, 14823), (8235, 10953)]