81962955

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 152668800

約数和(自身を除く): 70705845

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 111, 135, 183, 185, 269, 305, 333, 549, 555, 807, 915, 999, 1345, 1647, 1665, 2257, 2421, 2745, 4035, 4995, 6771, 7263, 8235, 9953, 11285, 12105, 16409, 20313, 29859, 33855, 36315, 49227, 49765, 60939, 82045, 89577, 101565, 147681, 149295, 246135, 268731, 304695, 443043, 447885, 607133, 738405, 1343655, 1821399, 2215215, 3035665, 5464197, 9106995, 16392591, 27320985, 81962955]

約数ペア:

[(1, 81962955), (3, 27320985), (5, 16392591), (9, 9106995), (15, 5464197), (27, 3035665), (37, 2215215), (45, 1821399), (61, 1343655), (111, 738405), (135, 607133), (183, 447885), (185, 443043), (269, 304695), (305, 268731), (333, 246135), (549, 149295), (555, 147681), (807, 101565), (915, 89577), (999, 82045), (1345, 60939), (1647, 49765), (1665, 49227), (2257, 36315), (2421, 33855), (2745, 29859), (4035, 20313), (4995, 16409), (6771, 12105), (7263, 11285), (8235, 9953)]