51864195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 42691965

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 69, 85, 111, 115, 185, 239, 255, 345, 391, 555, 629, 717, 851, 1173, 1195, 1887, 1955, 2553, 3145, 3585, 4063, 4255, 5497, 5865, 8843, 9435, 12189, 12765, 14467, 16491, 20315, 26529, 27485, 43401, 44215, 60945, 72335, 82455, 93449, 132645, 150331, 203389, 217005, 280347, 450993, 467245, 610167, 751655, 1016945, 1401735, 2254965, 3050835, 3457613, 10372839, 17288065, 51864195]

約数ペア:

[(1, 51864195), (3, 17288065), (5, 10372839), (15, 3457613), (17, 3050835), (23, 2254965), (37, 1401735), (51, 1016945), (69, 751655), (85, 610167), (111, 467245), (115, 450993), (185, 280347), (239, 217005), (255, 203389), (345, 150331), (391, 132645), (555, 93449), (629, 82455), (717, 72335), (851, 60945), (1173, 44215), (1195, 43401), (1887, 27485), (1955, 26529), (2553, 20315), (3145, 16491), (3585, 14467), (4063, 12765), (4255, 12189), (5497, 9435), (5865, 8843)]