51090015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 93560832

約数和(自身を除く): 42470817

約数列:

[1, 3, 5, 15, 17, 23, 31, 51, 69, 85, 93, 115, 155, 255, 281, 345, 391, 465, 527, 713, 843, 1173, 1405, 1581, 1955, 2139, 2635, 3565, 4215, 4777, 5865, 6463, 7905, 8711, 10695, 12121, 14331, 19389, 23885, 26133, 32315, 36363, 43555, 60605, 71655, 96945, 109871, 130665, 148087, 181815, 200353, 329613, 444261, 549355, 601059, 740435, 1001765, 1648065, 2221305, 3005295, 3406001, 10218003, 17030005, 51090015]

約数ペア:

[(1, 51090015), (3, 17030005), (5, 10218003), (15, 3406001), (17, 3005295), (23, 2221305), (31, 1648065), (51, 1001765), (69, 740435), (85, 601059), (93, 549355), (115, 444261), (155, 329613), (255, 200353), (281, 181815), (345, 148087), (391, 130665), (465, 109871), (527, 96945), (713, 71655), (843, 60605), (1173, 43555), (1405, 36363), (1581, 32315), (1955, 26133), (2139, 23885), (2635, 19389), (3565, 14331), (4215, 12121), (4777, 10695), (5865, 8711), (6463, 7905)]