65343831

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 105331200

約数和(自身を除く): 39987369

約数列:

[1, 3, 7, 19, 21, 57, 133, 389, 399, 421, 1167, 1263, 2723, 2947, 7391, 7999, 8169, 8841, 22173, 23997, 51737, 55993, 155211, 163769, 167979, 491307, 1146383, 3111611, 3439149, 9334833, 21781277, 65343831]

約数ペア:

[(1, 65343831), (3, 21781277), (7, 9334833), (19, 3439149), (21, 3111611), (57, 1146383), (133, 491307), (389, 167979), (399, 163769), (421, 155211), (1167, 55993), (1263, 51737), (2723, 23997), (2947, 22173), (7391, 8841), (7999, 8169)]