80678295

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 148740480

約数和(自身を除く): 68062185

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 97, 101, 135, 183, 291, 303, 305, 485, 505, 549, 873, 909, 915, 1455, 1515, 1647, 2619, 2727, 2745, 4365, 4545, 5917, 6161, 8235, 9797, 13095, 13635, 17751, 18483, 29391, 29585, 30805, 48985, 53253, 55449, 88173, 88755, 92415, 146955, 159759, 166347, 264519, 266265, 277245, 440865, 597617, 798795, 831735, 1322595, 1792851, 2988085, 5378553, 8964255, 16135659, 26892765, 80678295]

約数ペア:

[(1, 80678295), (3, 26892765), (5, 16135659), (9, 8964255), (15, 5378553), (27, 2988085), (45, 1792851), (61, 1322595), (97, 831735), (101, 798795), (135, 597617), (183, 440865), (291, 277245), (303, 266265), (305, 264519), (485, 166347), (505, 159759), (549, 146955), (873, 92415), (909, 88755), (915, 88173), (1455, 55449), (1515, 53253), (1647, 48985), (2619, 30805), (2727, 29585), (2745, 29391), (4365, 18483), (4545, 17751), (5917, 13635), (6161, 13095), (8235, 9797)]