28340295

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 18799545

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 659, 705, 915, 1977, 2867, 3295, 8601, 9885, 14335, 30973, 40199, 43005, 92919, 120597, 154865, 200995, 464595, 602985, 1889353, 5668059, 9446765, 28340295]

約数ペア:

[(1, 28340295), (3, 9446765), (5, 5668059), (15, 1889353), (47, 602985), (61, 464595), (141, 200995), (183, 154865), (235, 120597), (305, 92919), (659, 43005), (705, 40199), (915, 30973), (1977, 14335), (2867, 9885), (3295, 8601)]