12345620745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2767}}^1\times {\mathrm{17497}}^1$

素因数の和:20289

約数の個数: 32

約数和(自身を含む): 20923688448

約数和(自身を除く): 8578067703

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2767, 8301, 13835, 17497, 41505, 47039, 52491, 87485, 141117, 235195, 262455, 297449, 705585, 892347, 1487245, 4461735, 48414199, 145242597, 242070995, 726212985, 823041383, 2469124149, 4115206915, 12345620745]

約数ペア:

[(1, 12345620745), (3, 4115206915), (5, 2469124149), (15, 823041383), (17, 726212985), (51, 242070995), (85, 145242597), (255, 48414199), (2767, 4461735), (8301, 1487245), (13835, 892347), (17497, 705585), (41505, 297449), (47039, 262455), (52491, 235195), (87485, 141117)]