13613481

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 12191319

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 119, 133, 153, 171, 189, 223, 323, 357, 399, 459, 513, 669, 969, 1071, 1197, 1561, 2007, 2261, 2907, 3213, 3591, 3791, 4237, 4683, 6021, 6783, 8721, 11373, 12711, 14049, 20349, 26537, 29659, 34119, 38133, 42147, 61047, 72029, 79611, 88977, 102357, 114399, 216087, 238833, 266931, 504203, 648261, 716499, 800793, 1512609, 1944783, 4537827, 13613481]

約数ペア:

[(1, 13613481), (3, 4537827), (7, 1944783), (9, 1512609), (17, 800793), (19, 716499), (21, 648261), (27, 504203), (51, 266931), (57, 238833), (63, 216087), (119, 114399), (133, 102357), (153, 88977), (171, 79611), (189, 72029), (223, 61047), (323, 42147), (357, 38133), (399, 34119), (459, 29659), (513, 26537), (669, 20349), (969, 14049), (1071, 12711), (1197, 11373), (1561, 8721), (2007, 6783), (2261, 6021), (2907, 4683), (3213, 4237), (3591, 3791)]