16672215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 32855040

約数和(自身を除く): 16182825

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 137, 183, 285, 305, 399, 411, 427, 665, 685, 915, 959, 1159, 1281, 1995, 2055, 2135, 2603, 2877, 3477, 4795, 5795, 6405, 7809, 8113, 8357, 13015, 14385, 17385, 18221, 24339, 25071, 39045, 40565, 41785, 54663, 58499, 91105, 121695, 125355, 158783, 175497, 273315, 292495, 476349, 793915, 877485, 1111481, 2381745, 3334443, 5557405, 16672215]

約数ペア:

[(1, 16672215), (3, 5557405), (5, 3334443), (7, 2381745), (15, 1111481), (19, 877485), (21, 793915), (35, 476349), (57, 292495), (61, 273315), (95, 175497), (105, 158783), (133, 125355), (137, 121695), (183, 91105), (285, 58499), (305, 54663), (399, 41785), (411, 40565), (427, 39045), (665, 25071), (685, 24339), (915, 18221), (959, 17385), (1159, 14385), (1281, 13015), (1995, 8357), (2055, 8113), (2135, 7809), (2603, 6405), (2877, 5795), (3477, 4795)]