16217607

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 9356793

約数列:

[1, 3, 7, 21, 71, 73, 149, 213, 219, 447, 497, 511, 1043, 1491, 1533, 3129, 5183, 10579, 10877, 15549, 31737, 32631, 36281, 74053, 76139, 108843, 222159, 228417, 772267, 2316801, 5405869, 16217607]

約数ペア:

[(1, 16217607), (3, 5405869), (7, 2316801), (21, 772267), (71, 228417), (73, 222159), (149, 108843), (213, 76139), (219, 74053), (447, 36281), (497, 32631), (511, 31737), (1043, 15549), (1491, 10877), (1533, 10579), (3129, 5183)]